.fanmw{font-family:Arial, sans-serif; font-size:28px; fill:#FFFFFF; font-weight:}


.overline{text-decoration:overline; }
.example {
    padding: 0.81em 16px;
    padding-bottom: 0.81em;
    padding-bottom: 30px;
    margin: 22px 0;
    font-family: Verdana,sans-serif;
    font-size: 15px;
    line-height: 1.5;
    background-color:#EDF6FF;
    box-shadow: 0 2px 4px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12) !important;
    color: #000 !important;
}
.examplec {
    padding: 0.81em 16px;
    padding-bottom: 0.81em;
    padding-bottom: 30px;
    margin: 22px 0;
    font-family: Verdana,sans-serif;
    font-size: 18px;
    line-height: 1.5;
    background-color:#EDF6FF;
    box-shadow: 0 2px 4px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12) !important;
    color: #000 !important;
}
.worg {
    padding: 0.81em 16px;
    padding-bottom: 0.81em;
    margin: 22px 0;
    font-family: Verdana,sans-serif;
    font-size: 18px;
    line-height: 1.5;
    background-color:#EDF6FF;
    box-shadow: 0 2px 4px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12) !important;
    color: #000 !important;
    text-align:justify;
}
.worg span{font-weight:600;color:#004080;}
.examplef {
    padding: 0.81em 16px;
    padding-bottom: 0.81em;
    padding-bottom: 30px;
    margin: 22px 0;
    font-family: Verdana,sans-serif;
    font-size: 15px;
    line-height: 1.5;
    background-color:transparent;
    box-shadow: 0 2px 4px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12) !important;
    color: #000 !important;
}
.exampleb {
    padding: 0.81em 16px;
    padding-bottom: 0.81em;
    padding-bottom: 30px;
    margin: 22px 0;
    font-family: Verdana,sans-serif;
    font-size: 18px;
    line-height: 1.5;
    background-color:#f1f1f1;
    box-shadow: 0 2px 4px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12) !important;
    color: #000 !important;
}
.rulesb {
    padding: 0.81em 16px;
    padding-bottom: 0.81em;
    padding-bottom: 30px;
    margin: 22px 0;
    font-family: Verdana,sans-serif;
    font-size: 18px;
    line-height: 2;
    background-color:#004080;
    box-shadow: 0 2px 4px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12) !important;
    color: #fff !important;
}







.shape { stroke: black; fill: rgba(0, 255, 0, 0.5); stroke-width: 1; }
.line1 { stroke: black; stroke-width: 1; fill:transparent;}
.line2 { stroke: black; stroke-width: 2; fill:transparent;}
.line3 { stroke: black; stroke-width: 4; fill:transparent;}
.line4 { stroke: black; stroke-width: 8; fill:transparent;}
.point {fill:yellow;}
.text2 {font-family:Arial, sans-serif; font-size:20px; fill:black; font-weight:normal; text-anchor:middle;}
.caption  {font-family:Arial, sans-serif; font-size:18px; font-style:normal; fill:black; font-weight:normal; text-anchor:left;}
.emphasis {font-weight: bold; font-style: normal;}
.tick {stroke:black; stroke-width: 1;}
.angle {stroke:black; stroke-width: 1;}
.construction {stroke: black; stroke-width: 1; stroke-dasharray:2, 2; fill:transparent;}
.constructions {stroke: black; stroke-width: 1; fill:transparent;}
.oequal{
stroke:#f20915; stroke-width:2; fill:transparent;opacity:0;-webkit-animation:oeq 2s 5;
-webkit-animation-delay:2s;
animation: oeq 2s 5;
animation-delay:2s;}
@-webkit-keyframes oeq{
from {stroke:#f20915;opacity:10;}
to {stroke:#020e6d;opacity:100;}
}
@keyframes oeq {
    from {stroke:#f20915;opacity:10;}
    to {stroke:#020e6d;opacity:100;}
}
.text1 {font-family:Arial, sans-serif; font-size:24px; fill:black; font-weight:normal; text-anchor:middle;opacity:100;-webkit-animation:qangleangle 2s 5;
-webkit-animation-delay:12s;
animation: qangleangle 2s 5;
animation-delay:12s;}
@-webkit-keyframes qangleangle {
from {fill:#ffffff;opacity:10;}
to {fill:yellow;opacity:100;}
}
@keyframes qangleangle {
    from {fill:#ffffff;opacity:10;}
    to {fill:yellow;opacity:100;}
}
.qconstructions {stroke:#ef3d07; stroke-width: 2; fill:transparent;opacity:0;-webkit-animation: example 2s 5;
-webkit-animation-delay:12s;
animation: example 2s 5;
animation-delay:12s;}
@-webkit-keyframes example{
from {stroke:#ef3d07;opacity:10;}
to {stroke:#ffffff;opacity:100;}
}
@keyframes example {
    from {stroke:#f40428;opacity:10;}
    to {stroke:#ffffff;opacity:100;}
}
.diagonal {stroke:black; stroke-width: 1; fill:transparent;opacity:100;-webkit-animation: diagonal 5s 10;
-webkit-animation-delay:22s;
animation: diagonal 5s 10;
animation-delay:22s;}
@-webkit-keyframes diagonal{
from {stroke:#00FFFF;opacity:10;}
to {stroke:#FF0080;opacity:100;}
}
@keyframes diagonal {
    from {stroke:#00FFFF;opacity:10;}
    to {stroke:#FF0080;opacity:100;}
}

.textcl {font-family:Arial, sans-serif; font-size:16px; fill:black; font-weight:normal; text-anchor:middle;opacity:100;-webkit-animation:cltext 2s 10;
-webkit-animation-delay:22s;
animation:cltext 2s 10;
animation-delay:22s;
}
@-webkit-keyframes cltext {
from {fill:#ffffff;opacity:0;}
to {fill:yellow;opacity:100;}
}
@keyframes cltext {
from {fill:#ffffff;opacity:0;}
to {fill:yellow;opacity:100;}
}
.iequal{
stroke:#f2eaeb;stroke-width:2; fill:transparent;opacity:100;-webkit-animation: ieq 2s 5;
-webkit-animation-delay:22s;
animation: ieq 2s 5;
animation-delay:22s; }
@-webkit-keyframes ieq{
from {stroke:#f2eaeb;opacity:10;}
to {stroke:#80FF00;opacity:100;}
}
@keyframes ieq {
    from {stroke:#f2eaeb;opacity:10;}
    to {stroke:#80FF00;opacity:100;}
}
.ccircle {stroke:#ef3d07; stroke-width: 2; fill:transparent;opacity:100;-webkit-animation:circen 4s 5;
-webkit-animation-delay: 32s;
animation: circen 4s 5;
animation-delay:32s;
}
@-webkit-keyframes circen{
from {stroke:#ffffff;opacity:20;}
to {stroke:#ef3d07;opacity:100;}
}
@keyframes circen {
    from {stroke:#ffffff;opacity:20;}
    to {stroke:#f40428;opacity:100;}
}
.textc {font-family:Arial, sans-serif; font-size:16px; fill:black; font-weight:normal; text-anchor:middle;opacity:100;-webkit-animation:ceangle 5s 5;
-webkit-animation-duration: 32s;
animation: ceangle 5s 5;
animation-delay:32s;
}
@-webkit-keyframes ceangle {
from {fill:#ffffff;opacity:0;-webkit-transform: rotate(90deg);
transform: rotate(0deg);}
to {fill:yellow;opacity:100;-webkit-transform: rotate(360deg);
transform: rotate(360deg);}
}
@keyframes ceangle {
from {fill:#ffffff;opacity:0;-webkit-transform: rotate(90deg);
transform: rotate(0deg);}
    to {fill:yellow;opacity:100;-webkit-transform: rotate(360deg);
transform: rotate(360deg);}
}
/* sphere style */
.ssphere{
  stroke:#5cabff; stroke-width: 2; fill:#5cabff;
  background: black;
  border-radius: 100%;
  height: 300px;
  width: 300px;
  margin: 0;
  
   }
.sphere {
  display: block;
  background: black;
  border-radius: 100%;
  height: 300px;
  width: 300px;
  margin-left:28%;
  background: radial-gradient(circle at 100px 100px, #5cabff, #000);
  animation: sphererota 5s linear infinite;
  animation-delay:0s;
}
.sphere:hover{
animation-play-state:paused;
}
@keyframes sphererota {
  0% {
    transform: rotate(0deg);
  }
  
  100% {
    transform: rotate(360deg);background: radial-gradient(circle at 100px 100px, #FF8040, #000);
  }
}

/* cylinder style */
.tank{
    position:relative;
     margin:50px 50px 50px 300px;
}
.tank .middle{
    width:120px;
    height:180px;
    background-color:hsla(  0, 100%, 50%, 0.7);;
    position:relative;
}


.tank .top{
    width: 120px;
	height: 50px;
	background-color:hsla(  0, 100%, 50%, 0.7);;
	-moz-border-radius: 60px / 25px;
	-webkit-border-radius: 60px / 25px;
	border-radius: 60px / 25px;
    position:absolute;
    top:-25px;
}

.tank .bottom{
    width: 120px;
	height: 50px;
	background-color:hsla(  0, 100%, 50%, 0.7);;
	-moz-border-radius: 60px / 25px;
	-webkit-border-radius: 60px / 25px;
	border-radius: 60px / 25px;
    position:absolute;
    top:155px;
    box-shadow:0px 0px 10px rgba(0,0,0,0.75)
}
/* pyramid style */
.pyramid {
  width: 400px;
  height:350px;
  margin: 0 auto;
  position: relative;
  perspective:500px;
  perspective-origin: 50% 40%;
}

.side {
  position: absolute;
  left: 140px;
  top: 150px;
  width: 0;
  height: 0;
  border-left: 60px solid transparent;
  border-right: 60px solid transparent;
  border-bottom: 120px solid #ccc;
  transform-origin: 50% 0%;
  animation: spin 5s infinite linear;
}

.back {
  animation-delay: -2.5s;
}

.right {
  animation-delay: -1.25s;
}

.left {
  animation-delay: -3.75s;
}

@keyframes spin {
  0% {
    transform: rotateY(0deg) rotateX(30deg);
    border-bottom-color: #1abcff;
  }
  25% {
    transform: rotateY(90deg) rotateX(30deg);
    border-bottom-color: #00a2e6;
    opacity: 1;
  }
  25.1% {
    opacity: 0;
  }
  50% {
    transform: rotateY(180deg) rotateX(30deg);
    border-bottom-color: #0089c2;
  }
  74.9% {
    opacity: 0;
  }
  75% {
    transform: rotateY(270deg) rotateX(30deg);
    border-bottom-color: #007eb3;
    opacity: 1;
  }
  100% {
    transform: rotateY(360deg) rotateX(30deg);
    border-bottom-color: #1abcff;
  }
}
.shadow {
  position: absolute;
  top: 300px;
  left: 175px;
  width: 50px;
  height: 50px;
  background-color: #bbb;
  box-shadow: 0 0 40px 40px #bbb;
  animation: shadow 5s infinite linear;
}

@keyframes shadow {
  0% {
    transform: rotateX(90deg) rotateZ(0deg);
  }
  100% {
    transform: rotateX(90deg) rotateZ(-360deg);
  }
}

/* cone style */
.cone {
	width: 0;
	height: 0;
	border-left: 100px solid transparent;
	border-right: 100px solid transparent;
	border-top: 200px solid #00FFFF;
    margin-left:250px;
}
.scone{
width: 0;
height: 0; 
border-left: 25px solid transparent; 
border-right: 25px solid transparent; 
border-bottom: 50px solid red;
display:inline-table;
}

/* cube */
.cubebox {
  width: 200px;
  height: 200px;
  border: 1px solid #CCC;
  margin:20px 0 10px 250px;
  perspective: 400px;
  vertical-align:middle;
}
.cube {
  width: 200px;
  height: 200px;
  position: relative;
  transform-style: preserve-3d;
  transform: translateZ(-100px);
  transition: transform 1s;
}

.cube.show-front  { transform: translateZ(-100px) rotateY(   0deg); }
.cube.show-right  { transform: translateZ(-100px) rotateY( -90deg); }
.cube.show-back   { transform: translateZ(-100px) rotateY(-180deg); }
.cube.show-left   { transform: translateZ(-100px) rotateY(  90deg); }
.cube.show-top    { transform: translateZ(-100px) rotateX( -90deg); }
.cube.show-bottom { transform: translateZ(-100px) rotateX(  90deg); }

.cube__face {
  position: absolute;
  width: 200px;
  height: 200px;
  border: 2px solid black;
  line-height: 200px;
  font-size: 40px;
  font-weight: bold;
  color: white;
  text-align: center;
}

.cube__face--front  { background: hsla(  0, 100%, 50%, 0.7); }
.cube__face--right  { background: hsla( 60, 100%, 50%, 0.7); }
.cube__face--back   { background: hsla(120, 100%, 50%, 0.7); }
.cube__face--left   { background: hsla(180, 100%, 50%, 0.7); }
.cube__face--top    { background: hsla(240, 100%, 50%, 0.7); }
.cube__face--bottom { background: hsla(300, 100%, 50%, 0.7); }

.cube__face--front  { transform: rotateY(  0deg) translateZ(100px); }
.cube__face--right  { transform: rotateY( 90deg) translateZ(100px); }
.cube__face--back   { transform: rotateY(180deg) translateZ(100px); }
.cube__face--left   { transform: rotateY(-90deg) translateZ(100px); }
.cube__face--top    { transform: rotateX( 90deg) translateZ(100px); }
.cube__face--bottom { transform: rotateX(-90deg) translateZ(100px); }

.radio-group{text-align:center; }
label { margin-right:10px; }


/* cuboid style */
.scene {
  width: 300px;
  height: 200px;
  margin:10px 0 2% 220px;
  perspective: 400px;
}
.cdscene {
  width: 300px;
  height: 200px;
  margin:10px 0 2% 220px;
  perspective: 400px;
}
.box {
  width: 300px;
  height: 200px;
  position: relative;
  transform-style: preserve-3d;
  transform: translateZ(-50px);
  transition: transform 1s;
}

.box.show-front  { transform: translateZ( -50px) rotateY(   0deg); }
.box.show-back   { transform: translateZ( -50px) rotateY(-180deg); }
.box.show-right  { transform: translateZ(-150px) rotateY( -90deg); }
.box.show-left   { transform: translateZ(-150px) rotateY(  90deg); }
.box.show-top    { transform: translateZ(-100px) rotateX( -90deg); }
.box.show-bottom { transform: translateZ(-100px) rotateX(  90deg); }


.box__face {
  position: absolute;
  border: 2px solid black;
  font-size: 40px;
  font-weight: bold;
  color: white;
  text-align: center;
}

.box__face--front,
.box__face--back {
  width: 300px;
  height: 200px;
  line-height: 200px;
}

.box__face--right,
.box__face--left {
  width: 100px;
  height: 200px;
  left: 100px;
  line-height: 200px;
}

.box__face--top,
.box__face--bottom {
  width: 300px;
  height: 100px;
  top: 50px;
  line-height: 100px;
}

.box__face--front  { background: hsla(  0, 100%, 50%, 0.7); }
.box__face--right  { background: hsla( 60, 100%, 50%, 0.7); }
.box__face--back   { background: hsla(120, 100%, 50%, 0.7); }
.box__face--left   { background: hsla(180, 100%, 50%, 0.7); }
.box__face--top    { background: hsla(240, 100%, 50%, 0.7); }
.box__face--bottom { background: hsla(300, 100%, 50%, 0.7); }

.box__face--front  { transform: rotateY(  0deg) translateZ( 50px); }
.box__face--back   { transform: rotateY(180deg) translateZ( 50px); }

.box__face--right  { transform: rotateY( 90deg) translateZ(150px); }
.box__face--left   { transform: rotateY(-90deg) translateZ(150px); }

.box__face--top    { transform: rotateX( 90deg) translateZ(100px); }
.box__face--bottom { transform: rotateX(-90deg) translateZ(100px); }

label { margin-right: 10px; }

















.spagination {
width:100%;
display: inline-block;
}

.spagination a {
    font-size:18px;
    color: black;
    float: left;
    padding: 8px 16px;
    text-decoration: none;
}

.spagination a.active {
    background-color: #4CAF50;
    color: white;
    border-radius: 5px;
}

.spagination a:hover:not(.active) {
    background-color: #ddd;
    border-radius: 5px;
}
.frac {
    display: inline-block;
    position: relative;
    vertical-align: middle;
    letter-spacing: 0.001em;
    text-align: center;
}
.frac > span {
    display: block;
    padding: 0.1em;
}
.frac span.bottom {
    border-top: thin solid black;
}
.frac span.symbol {
    display: none;
} 


.fracbs {
    display: inline-block;
    position: relative;
    vertical-align: middle;
    letter-spacing: 0.001em;
    text-align: center;
}
.fracbs > span {
    display: block;
    padding:0px;
}
.fracbs span.bottom {
    border-top:solid 2px white;
}
.fracbs span.symbol {
    display: none;
} 








/* numberline */

 .ruler, .ruler li {
    margin: 0;
    padding: 0;
    list-style: none;
    display: inline-block;
}
/* IE6-7 Fix */
.ruler, .ruler li {
    *display: inline;
}
.ruler {
    width:100%;
    background:#008000;
    box-shadow: 0 -1px 1em hsl(60, 60%, 84%) inset;
    border-radius: 2px;
    border:1px solid #008000;
    color: #ccc;
    margin: 0;
    height:70px;
    padding-right:0;
    white-space: nowrap;
}
.ruler li {
    padding-left:7%;
    width:5%;
    margin:10px 0px 0px 0px;
    text-align: center;
    position: relative;
    text-shadow: 1px 1px hsl(60, 60%, 84%);
}
.ruler li:before {
    content: '';
    position: absolute;
    border-left: 1px solid #000000;
    height: 1em;
    top: -1em;
    right:-5px;
}
.ruler li.lftno:before{right:-10px; }

  
.tdh{background:#4B80FF;color:#FFFFFF; } 
.tdb{background:#4B80FF;color:#EFEFFF; }
/* cuberoot */
.mathtable{border:0;font-size:18px;font-weight:600;color:#000000;}
.mathtablet td{text-align:left; }

.cr-table{background:#FFF1FF;font-size:18px; font-weight:600;color:#0080FF;text-align:justify; }
.cr-table th{font-size:20px; font-weight:700;color:#000000 }
.cuberoot{border:0;font-size:22px;font-weight:600;color:#000000;background:#80FFFF}
.cuberoot td{border-right:0;border-top:0; }
.cuberoot tr td:first-child{border-left:0;}
.cuberoot tr:last-child{border-bottom:0;}
#croots{color:#FF0000;}
#scrootf{color:#008040;}
.rimgb{width:100%; }
.rimgb img{width:12.5%;margin:-7px; }
#rimgbleft{animation: lspin 2s infinite linear; }
@-webkit-keyframes lspin {
  from {opacity:100; }
    to   {opacity:0; }
}

@-moz-keyframes lspin {
    from {opacity:100;  }
    to   {opacity:0; }
}

@-o-keyframes lspin {
   from {opacity:100; }
    to   {opacity:0; }
}

@keyframes lspin {
    from {opacity:100; }
    to   {opacity:0; }
}
#rimgbright{animation: rspin 2s infinite linear; } 
@-webkit-keyframes rspin {
  from {opacity:0; }
    to   {opacity:100; }
}

@-moz-keyframes rspin {
    from {opacity:0;  }
    to   {opacity:100; }
}

@-o-keyframes rspin {
   from {opacity:0; }
    to   {opacity:100; }
}

@keyframes rspin {
    from {opacity:0; }
    to   {opacity:100; }
}
.bcred{color:#FF0000; }
.bcblue{color:#000080; } 
.bcorange{color:#FF8000; } 
.bcgreen{color:#008000; } 
.bcpink{color:#FF0080; } 
.bcyellow{color:#FFF200;font-size:28px; } 
/* trigonometry */
.svg-container{
  width: 100%;
  margin: auto;
  text-align:center; 
 }
 .svgbg-container{
  width:auto;
  background:url('../mathimg/gen/bcg.jpg') no-repeat;
  background-size:100%;
  margin: auto;
  text-align:center; 
 }  
 .svgbg2-container{
  width:auto;
  background:url('../mathimg/gen/background.png') no-repeat;
  background-size:100%;
  margin: auto;
  text-align:center; 
 }  
 .spinner {
  animation: rotate 5s linear 5;
  -webkit-animation: rotate 5s linear 5;
  -moz-animation: rotate 5s linear 5;
  animation-delay:5s;
  animation-direction: alternate;
  width:250px;
  height:250px;
  position: relative;
}
@keyframes rotate {
from {transform: rotate(0deg);}
to {transform: rotate(360deg);}
}

@-webkit-keyframes rotate {
from {transform: rotate(0deg);}
to {transform: rotate(360deg);}
}

@-moz-keyframes rotate {
from {transform: rotate(0deg);}
to {transform: rotate(360deg);}
}

#vertical-text {
	transform: rotate(90deg);
	transform-origin: left 160px;
    float: left;
}
#vertical-text2 {
	transform: rotate(90deg);
	transform-origin: left 153px;
    color:#FF8000;
    }
#vertical-text2 {font-family:Arial, sans-serif; font-size:16px; fill:black; font-weight:normal; text-anchor:middle;
opacity:0;-webkit-animation:ttani 3s 5;
-webkit-animation-delay:3s;
animation: ttani 3s 5;
animation-delay:3s;}
@-webkit-keyframes ttani {
from {fill:#ffffff;opacity:0;}
to {fill:#FF8000;opacity:1;}
}
@keyframes ttani {
    from {fill:#ffffff;opacity:0;}
    to {fill:#FF8000;opacity:1;}
}    
    
#vertical-text3 {
	transform: rotate(40deg);
	transform-origin: left 120px;
    color:#FF8000;
    }
#vertical-text3 {font-family:Arial, sans-serif; font-size:16px; fill:black; font-weight:normal; text-anchor:middle;
opacity:0;-webkit-animation:ttani1 2s 5;
-webkit-animation-delay:1s;
animation: ttani1 2s 5;
animation-delay:1s;}
@-webkit-keyframes ttani1 {
from {fill:#ffffff;opacity:0;}
to {fill:#FF8000;opacity:1;}
}
@keyframes ttani1 {
    from {fill:#ffffff;opacity:0;}
    to {fill:#FF8000;opacity:1;}
}    

#vertical-text4 {font-family:Arial, sans-serif; font-size:16px; fill:black; font-weight:normal; text-anchor:middle;
opacity:0;-webkit-animation:ttani4 5s 5;
-webkit-animation-delay:17s;
animation: ttani4 5s 5;
animation-delay:17s;}
@-webkit-keyframes ttani4 {
from {fill:#ffffff;opacity:0;}
to {fill:#FF8000;opacity:1;}
}
@keyframes ttani4 {
    from {fill:#ffffff;opacity:0;}
    to {fill:#FF8000;opacity:1;}
}       
  
  
/* Ratio */ 
.ratio-text{font-family:Arial, sans-serif; font-size:28px; fill:#000000; font-weight:normal; text-anchor:middle;} 
.ratio-text1 {font-family:Arial, sans-serif; font-size:28px; fill:#0080FF; font-weight:normal; text-anchor:middle;} 
.ratio-text2 {font-family:Arial, sans-serif; font-size:28px; fill:#FF0080; font-weight:normal; text-anchor:middle;} 
#rline1, .ratio-text3{opacity:0;-webkit-animation:rtext3 4s 5; -webkit-animation-delay:1s; animation: rtext3 4s 5; animation-delay:1s;} 
@-webkit-keyframes rtext3 {
from {fill:#ffffff;opacity:0;}
to {fill:#0080FF;opacity:1;}
}
@keyframes rtext3 {
    from {fill:#ffffff;opacity:0;}
    to {fill:#0080FF;opacity:1;}
}      
#rline2, .ratio-text4{opacity:0; -webkit-animation:rtext4 4s 5; -webkit-animation-delay:21s; animation: rtext4 4s 5; animation-delay:21s;} 
@-webkit-keyframes rtext4 {
from {fill:#ffffff;opacity:0;}
to {fill:#FF0080;opacity:1;}
}
@keyframes rtext4 {
    from {fill:#ffffff;opacity:0;}
    to {fill:#FF0080;opacity:1;}
} 
#rcircle,.ratio-text5,#rline3{opacity:0;-webkit-animation:rcircle 5s 5; -webkit-animation-delay:41s; animation: rcircle 5s 5; animation-delay:41s; }       
@-webkit-keyframes rcircle {
from {stroke:#ffffff;opacity:0;}
to {stroke:#FF0000;opacity:1;}
}
@keyframes rcircle {
    from {stroke:#ffffff;opacity:0;}
    to {stroke:#FF0000;opacity:1;}
} 
/* polynomials */
.pol-text{font-family:Arial, sans-serif; font-size:28px; fill:#000000; font-weight:normal; text-anchor:middle;} 
.pol-stext{font-family:Arial, sans-serif; font-size:18px; fill:#0080FF; font-weight:normal; text-anchor:middle;} 
.pol-text1 {font-family:Arial, sans-serif; font-size:28px; fill:#0080FF; font-weight:normal; text-anchor:middle;} 
.pol-text2 {font-family:Arial, sans-serif; font-size:28px; fill:#FF0080; font-weight:normal; text-anchor:middle;} 
#pline1, .pol-text3{opacity:0;-webkit-animation:pani 4s infinite; -webkit-animation-delay:2s; animation: pani 4s infinite; animation-delay:2s;} 
#pcircle{opacity:0;-webkit-animation:pani 4s infinite; -webkit-animation-delay:2s; animation: pani 4s infinite; animation-delay:2s; }       
@-webkit-keyframes pani {
from {fill:#ffffff;opacity:0;}
to {opacity:1;}
}
@keyframes pani {
    from {fill:#ffffff;opacity:0;}
    to {opacity:1;}
}    
.pol-text4 {font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:ptext4 4s infinite; -webkit-animation-delay:0s; animation: ptext4 4s infinite; animation-delay:0s;} 
@-webkit-keyframes ptext4 {
from {fill:#ffffff;opacity:0;}
to {opacity:1;}
}
@keyframes ptext4 {
    from {fill:#ffffff;opacity:0;}
    to {opacity:1;}
}    

/* number system */
.ns-textb{font-family:Arial, sans-serif; font-size:36px; fill:#000000; font-weight:normal;opacity:1;} 
.ns-textbw{font-family:Arial, sans-serif; font-size:36px; fill:#FF8000; font-weight:normal;opacity:1;} 
.ns-text1{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:nstext 4s linear alternate infinite; -webkit-animation-delay:0s; animation: nstext 4s linear alternate infinite; animation-delay:0s;}
.ns-text2{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:nstext 4s linear alternate infinite; -webkit-animation-delay:4s; animation: nstext 4s linear alternate infinite; animation-delay:4s; }
.ns-text3{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:nstext 4s linear alternate infinite; -webkit-animation-delay:8s; animation: nstext 4s linear alternate infinite; animation-delay:8s; }
.ns-text4{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:nstext 4s linear alternate infinite; -webkit-animation-delay:12s; animation: nstext 4s linear alternate infinite; animation-delay:12s; }
.ns-text5{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:nstext 4s linear alternate infinite; -webkit-animation-delay:16s; animation: nstext 4s linear alternate infinite; animation-delay:16s; }
.ns-text6{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:nstext 4s linear alternate infinite; -webkit-animation-delay:20s; animation: nstext 4s linear alternate infinite; animation-delay:20s; }
.ns-text7{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:nstext 4s linear alternate infinite; -webkit-animation-delay:24s; animation: nstext 4s linear alternate infinite; animation-delay:24s; }
.ns-text8{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:nstext 4s linear alternate infinite; -webkit-animation-delay:28s; animation: nstext 4s linear alternate infinite; animation-delay:28s; }
.ns-text9{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:nstext 4s linear alternate infinite; -webkit-animation-delay:32s; animation: nstext 4s linear alternate infinite; animation-delay:32s; }
.ns-text10{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:nstext 4s linear alternate infinite; -webkit-animation-delay:36s; animation: nstext 4s linear alternate infinite; animation-delay:36s; }
@-webkit-keyframes nstext {
from {fill:#ffffff;opacity:0;}
to {opacity:1;}
}
@keyframes nstext {
    from {fill:#ffffff;opacity:0;}
    to {opacity:1;}
}   
#pie {
    position: relative;
    width:200px;
    height:200px;
    display: block;
    border-radius: 50%;
    background-color: green;
    border: 2px solid green;
}
.ten {
    background-image:
        linear-gradient(90deg, transparent 50%, white 50%),
        linear-gradient(90deg, white 50%, transparent 50%);
}
#counter{
    bottom: 10px;
    left: 10px;
    position: absolute;
    width: 180px;
    height:180px;
    background-color: grey;
    border-radius: 50%;
    font-size: 4em;
    text-align: center;
    line-height: 2.3;
}  

.ns-textt1{font-family:Arial, sans-serif; font-size:22px; fill:#FF0080; font-weight:normal;}
#nsline1, .ns-textt1{opacity:0;-webkit-animation:nst 4s infinite; -webkit-animation-delay:1s; animation: nst 4s infinite; animation-delay:1s;} 
@-webkit-keyframes nst {
from {fill:#ffffff;opacity:0;}
to {fill:#0080FF;opacity:1;}
}
@keyframes nst {
    from {fill:#ffffff;opacity:0;}
    to {fill:#0080FF;opacity:1;}
}   

.ns-textt2{font-family:Arial, sans-serif; font-size:36px; fill:#FFFFFF; font-weight:normal;}
.ns-textt2{opacity:0;-webkit-animation:nst2 4s infinite; -webkit-animation-delay:1s; animation: nst2 4s infinite; animation-delay:1s;} 
@-webkit-keyframes nst2 {
from {fill:#ffffff;opacity:0;}
to {fill:#FFFFFF;opacity:1;}
}
@keyframes nst2 {
    from {fill:#ffffff;opacity:0;}
    to {fill:#FFFFFF;opacity:1;}
}  
.ns-textt5, .ns-textt4, .ns-textt3{font-family:Arial, sans-serif; font-size:36px; fill:#0080FF; font-weight:normal;}
.ns-textt3{opacity:0;-webkit-animation:nst3 4s infinite; -webkit-animation-delay:1s; animation: nst3 4s infinite; animation-delay:1s;} 
.ns-textt5{opacity:0;-webkit-animation:nst5 4s infinite; -webkit-animation-delay:1s; animation: nst5 4s infinite; animation-delay:1s;} 
@-webkit-keyframes nst3 {
from {fill:#ffffff;opacity:0;}
to {fill:#FF0080;opacity:1;}
}
@keyframes nst3 {
    from {fill:#ffffff;opacity:0;}
    to {fill:#FF0080;opacity:1;}
}  
@-webkit-keyframes nst5 {
from {fill:#ffffff;opacity:0;}
to {fill:#0080FF;opacity:1;}
}
@keyframes nst5 {
    from {fill:#ffffff;opacity:0;}
    to {fill:#0080FF;opacity:1;}
} 
.ns-textbc, .ns-textbc1, .ns-textbc2{font-family:Arial, sans-serif; font-size:36px; fill:#FFFFFF; font-weight:normal;opacity:0;} 
.ns-textbc{opacity:0;-webkit-animation:textbc 4s infinite; -webkit-animation-delay:1s; animation: textbc 4s infinite; animation-delay:1s;} 
.ns-textbc1{opacity:0;-webkit-animation:textbc 4s infinite; -webkit-animation-delay:4s; animation: textbc 4s infinite; animation-delay:4s;} 
.ns-textbc2{opacity:0;-webkit-animation:textbc 4s infinite; -webkit-animation-delay:9s; animation: textbc 4s infinite; animation-delay:9s;} 
@-webkit-keyframes textbc {
from {fill:#ffffff;opacity:0;}
to {fill:#FFFFFF;opacity:1;}
}
@keyframes textbc {
    from {fill:#ffffff;opacity:0;}
    to {fill:#FFFFFF;opacity:1;}
}


/* Eratosthenes */
#eratosthenes{background:transparent;font-size:18px;text-align:center; margin-bottom:0; }
#eratosthenes td{padding:0; }
#eratosthenes td div{padding:5px; }
#er1{opacity:1;-webkit-animation:erat 130s infinite; -webkit-animation-delay:5s; animation: erat 130s infinite; animation-delay:5s; }
@-webkit-keyframes erat {
from {color:#ffffff;opacity:0;text-decoration: line-through;}
to {color:#004080;opacity:1;text-decoration: line-through;}
}
@keyframes erat {
    from {color:#ffffff;opacity:0;text-decoration: line-through;}
    to {color:#004080;opacity:1;text-decoration: line-through;}
}
#er4, #er6, #er8, #er10, #er12, #er14, #er16, #er18, #er20, #er22, #er24, #er26, #er28, #er30, #er32
, #er34, #er36, #er38, #er40, #er42, #er44, #er46, #er48, #er50, #er52, #er54, #er56, #er58, #er60, #er62, #er64, #er66, #er68, #er70, #er72, #er74, #er76, #er78, #er80, #er82, #er84, #er86, #er88, #er90, #er92, #er94, #er96, #er98, #er100
{opacity:1;-webkit-animation:erat4 130s infinite; -webkit-animation-delay:10s; animation: erat4 130s infinite; animation-delay:10s; }
@-webkit-keyframes erat4 {
from {color:#ffffff;opacity:0;text-decoration: line-through;}
to {color:#FFFF00;opacity:1;text-decoration: line-through;}
}
@keyframes erat4 {
    from {color:#ffffff;opacity:0;text-decoration: line-through;}
    to {color:#FFFF00;opacity:1;text-decoration: line-through;}
}
#er9, #er15, #er21, #er27, #er33, #er39, #er45, #er51, #er57, #er63, #er69, #er75, #er81, #er87, #er93, #er99{opacity:1;-webkit-animation:erat6 130s infinite; -webkit-animation-delay:15s; animation: erat6 130s infinite; animation-delay:15s; }
@-webkit-keyframes erat6 {
from {color:#ffffff;opacity:0;text-decoration: line-through;}
to {color:#FF0080;opacity:1;text-decoration: line-through;}
}
@keyframes erat6 {
    from {color:#ffffff;opacity:0;text-decoration: line-through;}
    to {color:#FF0080;opacity:1;text-decoration: line-through;}
}
#er25, #er35, #er55, #er65, #er85, #er95{opacity:1;-webkit-animation:erat5 130s infinite; -webkit-animation-delay:20s; animation: erat5 130s infinite; animation-delay:20s; }
@-webkit-keyframes erat5 {
from {color:#ffffff;opacity:0;text-decoration: line-through;}
to {color:#C4FFFF;opacity:1;text-decoration: line-through;}
}
@keyframes erat5 {
    from {color:#ffffff;opacity:0;}
    to {color:#C4FFFF;opacity:1;text-decoration: line-through;}
}
#er49, #er77{opacity:1;-webkit-animation:erat6 130s infinite; -webkit-animation-delay:30s; animation: erat6 130s infinite; animation-delay:30s; }
@-webkit-keyframes erat6 {
from {color:#ffffff;opacity:0;text-decoration: line-through;}
to {color:#FF00FF;opacity:1;text-decoration: line-through;}
}
@keyframes erat6 {
    from {color:#ffffff;opacity:0;text-decoration: line-through;}
    to {color:#FF00FF;opacity:1;text-decoration: line-through;}
}
.acttext{width:500px;overflow:hidden; margin-left:15%;margin-bottom:2%; background:#FFFFFF;padding:1%;border-radius:5px;font-size:16px;color:#000000; }
#acttext{-webkit-animation:actt 150s infinite; -webkit-animation-delay:10s; animation: actt 150s infinite; animation-delay:10s; }
@-webkit-keyframes actt {
from {display:block;}
to {display:none;}
}
@keyframes actt {
    from {display:block;}
    to {display:none;}
}

.typewriter h1 {
  overflow: hidden;
  border-right: .15em solid orange;
  white-space: nowrap;
  margin: 0 auto; 
  letter-spacing: .15em;
  font-size:0.8em;
  animation: 
    typing 3.5s steps(40, end),
    blink-caret .75s step-end infinite;
}
@keyframes typing {
  from { width: 0 }
  to { width: 100% }
}
@keyframes blink-caret {
  from, to { border-color: transparent }
  50% { border-color: orange; }
}
 
.htextb{
	width:100%;
	position:relative;
    white-space: nowrap;
    text-align:center;
	margin-bottom:5px;
    display:block;
    text-decoration:underline;}
.htextb .htcontent{
	display: inline;
    font-family: "Segoe UI",Arial,sans-serif;
    font-size: 30px;
    font-weight: 400;
    color:#000080;
}
.htextb .dash{
	display: inline-block;
	height: 3px;
	width: 20px;
	background-color: #66ffcc;
	animation: blink .5s infinite linear;
}

@keyframes blink{
	0%{
		opacity: 1;
	}
	99%{
		opacity: 0;
	}
	100%{
		opacity: 1;
	}
} 
.ds-text{font-family:Arial, sans-serif; font-size:28px; fill:#FF560D; font-weight:normal;opacity:1;} 
.ds-text1{font-family:Arial, sans-serif; font-size:28px; fill:#FF0080; font-weight:normal; text-anchor:middle;opacity:1;-webkit-animation:dstext 12s infinite; -webkit-animation-delay:0s; animation: dstext 12s infinite; animation-delay:0s;}
.ds-text2{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:dstext 12s infinite; -webkit-animation-delay:2s; animation: dstext 12s infinite; animation-delay:2s; }
.ds-text3{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:dstext 12s infinite; -webkit-animation-delay:4s; animation: dstext 12s infinite; animation-delay:4s; }
.ds-text4{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:dstext 12s infinite; -webkit-animation-delay:6s; animation: dstext 12s infinite; animation-delay:6s; }
.ds-text5{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:dstext 12s infinite; -webkit-animation-delay:8s; animation: dstext 12s infinite; animation-delay:8s; }
.ds-text6{font-family:Arial, sans-serif; font-size:28px; fill:#FF2540; font-weight:normal; text-anchor:middle;opacity:0;-webkit-animation:dstext 12s infinite; -webkit-animation-delay:10s; animation: dstext 12s infinite; animation-delay:10s; }
@-webkit-keyframes dstext {
0% {fill:#ffffff;opacity:1;}
99% {fill:#004080;opacity:0;}
0% {fill:#ffffff;opacity:1;}
}
@keyframes dstext {
0% {fill:#ffffff;opacity:1;}
99% {fill:#004080;opacity:0;}
0% {fill:#ffffff;opacity:1;}
}
.ds-textn{font-family:Arial, sans-serif; font-size:28px; fill:#00FF40; font-weight:normal;opacity:1;} 
.ds-text7{font-family:Arial, sans-serif; font-size:28px; fill:#FF560D; font-weight:normal; text-anchor:middle;opacity:1;-webkit-animation:dstext7 4s infinite; -webkit-animation-delay:2s; animation: dstext7 4s infinite; animation-delay:2s; }
@-webkit-keyframes dstext7 {
from {opacity:0;}
to {opacity:1;}
}
@keyframes dstext7 {
from {opacity:0;}
to {opacity:1;}
}
.ds-text8{font-family:Arial, sans-serif; font-size:28px; fill:#FFFF00; font-weight:normal;text-anchor:middle;opacity:1;} 
.ds-text8a{font-family:Arial, sans-serif; font-size:28px; fill:#FF0080; font-weight:normal;text-anchor:middle;opacity:1;} 
.ds-texto{font-family:Arial, sans-serif; font-size:28px; fill:#FF560D; font-weight:normal;opacity:1;-webkit-animation:dstexto 4s infinite; -webkit-animation-delay:2s; animation: dstexto 4s infinite; animation-delay:2s; } 
.ds-texte{font-family:Arial, sans-serif; font-size:28px; fill:#FF560D; font-weight:normal;opacity:1;-webkit-animation:dstexte 2s infinite; -webkit-animation-delay:10s; animation: dstexte 2s infinite; animation-delay:10s; } 
@-webkit-keyframes dstexto {
from {opacity:0;}
to {opacity:1;fill:#000080;}
}
@keyframes dstexto {
from {opacity:0;}
to {opacity:1;fill:#000080;}
}
@-webkit-keyframes dstexte {
from {opacity:0;}
to {opacity:1;fill:#00FF40;}
}
@keyframes dstexte {
from {opacity:0;}
to {opacity:1;fill:#00FF40;}
}



    
/* Responsive */
 @media only screen and (max-width:1200px) {
 
 }
 
 
 
 
@media only screen and (max-width:992px) {
.table-responsive{overflow-x:auto !important;}
.example, .examplec, .examplef, .exampleb {
    width:100%;
    padding:2% 1% 2% 1%;
    margin:1% 0 1% 0;
}
.rulesb {
    width:100%;
    padding:2% 1% 2% 1%;
    margin:1% 0 1% 0;
}   
.scene {
    margin: 10px 0 2% 10%;
    text-align:center;
}
.cdscene {
    margin: 10px 0 2% 0%;
    text-align:center;
}
p.radio-group {
    width:100%;
    font-size:12px;
}
.mathg-container img{
 width:250px;   
}
.cr-table{font-size:12px; }
.cr-table th{font-size:12px; font-weight:500;}
.cuberoot{font-size:16px;font-weight:600;}
.sphere {
    width:275px;
    height:275px;
    margin-left: 0%;
}
.pyramid {
  width: 300px;
  height:350px;
  margin: 0 auto;
  position: relative;
  perspective:500px;
  perspective-origin: 50% 40%;
}
.acttext{width:300px;margin-left:0%;padding:0%;}
.ssize{width:50%;margin-left:25%;margin-top:2%; }

 }
 
 
 
 
 
 
 
 
@media only screen and (max-width: 768px){
.table-responsive{overflow-x:auto !important;max-width:450px;padding:0;margin:0; }
.example, .examplec, .examplef, .exampleb {
    width:100%;
    padding:2% 1% 2% 1%;
    margin:1% 0 1% 0;
}
.rulesb {
    width:100%;
    padding:2% 1% 2% 1%;
    margin:1% 0 1% 0;
}   
.scene {
    margin: 10px 0 2% 10%;
    text-align:center;
}
.cdscene {
    margin: 10px 0 2% 0%;
    text-align:center;
}
p.radio-group {
    width:100%;
    font-size:12px;
}
.mathg-container img{
 width:250px;   
}
.cr-table{font-size:12px; }
.cr-table th{font-size:12px; font-weight:500;}
.cuberoot{font-size:16px;font-weight:600;}
.sphere {
    width:275px;
    height:275px;
    margin-left: 0%;
}
.pyramid {
  width: 300px;
  height:350px;
  margin: 0 auto;
  position: relative;
  perspective:500px;
  perspective-origin: 50% 40%;
}
.acttext{width:300px;margin-left:0%;padding:0%;}
.ssize{width:50%;margin-left:25%;margin-top:2%; }
}




@media only screen and (max-width: 500px) {
.single-common-wrap{padding:0; }
.table-responsive{overflow-x:auto !important;max-width:300px; }
.example, .examplec, .examplef, .exampleb {
    width:100%;
    padding:2% 1% 2% 1%;
    margin:1% 0 1% 0;
}
.rulesb {
    width:100%;
    padding:2% 1% 2% 1%;
    margin:1% 0 1% 0;
}   
.scene {
    margin: 10px 0 2% 10%;
    text-align:center;
}
.cdscene {
    margin: 10px 0 2% 0%;
    text-align:center;
}
p.radio-group {
    width:100%;
    font-size:12px;
}
.mathg-container img{
 width:250px;   
}
.cr-table{font-size:12px; }
.cr-table th{font-size:12px; font-weight:500;}
.cuberoot{font-size:16px;font-weight:600;}
.sphere {
    width:275px;
    height:275px;
    margin-left: 0%;
}
.pyramid {
  width: 300px;
  height:350px;
  margin: 0 auto;
  position: relative;
  perspective:500px;
  perspective-origin: 50% 40%;
}
.rimgb img {
    width: 5.5%;
    margin: -7px;
}
.acttext{width:300px;margin-left:0%;padding:0%;}
.typewriter h1 {
  overflow: hidden;
  border-right: .15em solid orange;
  white-space: nowrap;
  margin: 0 auto; 
  letter-spacing: .15em;
  font-size:0.8em;
  animation: 
    typing 3.5s steps(40, end),
    blink-caret .75s step-end infinite;
}
.ssize{width:50%;margin-left:25%;margin-top:2%; }
}