#coin-flip-cont {
width: 200px;
height: 200px;
position: absolute;
top: calc(50% - 100px);
left: calc(50% - 100px);
}

#coin {
position: relative;
width: 200px;
transform-style: preserve-3d;
}

#coin .front, #coin .back {
position: absolute;
width: 200px;
height: 200px;
}

#coin .front {
transform: translateZ(1px);
border-radius: 50%;
background-color: #3498db;
}

#coin .back {
transform: translateZ(-1px) rotateY(180deg);
border-radius: 50%;
background-color: #2ecc71;
}

#coin.animation900 {
-webkit-animation: rotate900 3s linear forwards; 
animation: rotate900 3s linear forwards;
}

#coin.animation1080 {
-webkit-animation: rotate1080 3s linear forwards; 
animation: rotate1080 3s linear forwards;
}

#coin.animation1260 {
-webkit-animation: rotate1260 3s linear forwards; 
animation: rotate1260 3s linear forwards;
}

#coin.animation1440 {
-webkit-animation: rotate1440 3s linear forwards; 
animation: rotate1440 3s linear forwards;
}

#coin.animation1620 {
-webkit-animation: rotate1620 3s linear forwards; 
animation: rotate1620 3s linear forwards;
}

#coin.animation1800 {
-webkit-animation: rotate1800 3s linear forwards; 
animation: rotate1800 3s linear forwards;
}

#coin.animation1980 {
-webkit-animation: rotate1980 3s linear forwards; 
animation: rotate1980 3s linear forwards;
}

#coin.animation2160 {
-webkit-animation: rotate2160 3s linear forwards; 
animation: rotate2160 3s linear forwards;
}

@-webkit-keyframes rotate900 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(900deg); -moz-transform: rotateY(900deg); transform: rotateY(900deg); }
}

@keyframes rotate900 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(900deg); -moz-transform: rotateY(900deg); transform: rotateY(900deg); }
}

@-webkit-keyframes rotate1080 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(1080deg); -moz-transform: rotateY(1080deg); transform: rotateY(1080deg); }
}

@keyframes rotate1080 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(1080deg); -moz-transform: rotateY(1080deg); transform: rotateY(1080deg); }
}

@-webkit-keyframes rotate1260 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(1260deg); -moz-transform: rotateY(1260deg); transform: rotateY(1260deg); }
}

@keyframes rotate1260 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(1260deg); -moz-transform: rotateY(1260deg); transform: rotateY(1260deg); }
}

@-webkit-keyframes rotate1440 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(1440deg); -moz-transform: rotateY(1440deg); transform: rotateY(1440deg); }
}

@keyframes rotate1440 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(1440deg); -moz-transform: rotateY(1440deg); transform: rotateY(1440deg); }
}

@-webkit-keyframes rotate1620 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(1620deg); -moz-transform: rotateY(1620deg); transform: rotateY(1620deg); }
}

@keyframes rotate1620 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(1620deg); -moz-transform: rotateY(1620deg); transform: rotateY(1620deg); }
}

@-webkit-keyframes rotate1800 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(1800deg); -moz-transform: rotateY(1800deg); transform: rotateY(1800deg); }
}

@keyframes rotate1800 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(1800deg); -moz-transform: rotateY(1800deg); transform: rotateY(1800deg); }
}

@-webkit-keyframes rotate1980 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(1980deg); -moz-transform: rotateY(1980deg); transform: rotateY(1980deg); }
}

@keyframes rotate1980 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(1980deg); -moz-transform: rotateY(1980deg); transform: rotateY(1980deg); }
}

@-webkit-keyframes rotate2160 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(2160deg); -moz-transform: rotateY(2160deg); transform: rotateY(2160deg); }
}

@keyframes rotate2160 {
from { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); transform: rotateY(0); }
to { -webkit-transform: rotateY(2160deg); -moz-transform: rotateY(2160deg); transform: rotateY(2160deg); }
}