CSS
body {
background-color: #282828;
background-image: -webkit-radial-gradient(black 15%, transparent 16%), -webkit-radial-gradient(black 15%, transparent 16%), -webkit-radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%), -webkit-radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%);
background-image: radial-gradient(black 15%, transparent 16%), radial-gradient(black 15%, transparent 16%), radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%), radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%);
background-position: 0 0px, 8px 8px, 0 1px, 8px 9px;
background-size: 16px 16px;
}
@font-face {
font-family: 'icomoon';
src: url('font/icomoon.eot');
src: url('font/icomoon.eot?#iefix') format('embedded-opentype'), url('font/icomoon.svg#icomoon') format('svg'), url('font/icomoon.woff') format('woff'), url('font/icomoon.ttf') format('truetype');
font-weight: normal;
font-style: normal;
}
.controls_button {
width: 500px;
margin: 40px auto;
}
.button {
width: 70px;
height: 70px;
margin-right: 90px;
font-size: 0;
border-radius: 50%;
border: none;
box-shadow: 0 1px 5px rgba(255,255,255,.5) inset, 0 -2px 5px rgba(0,0,0,.3) inset, 0 3px 8px rgba(0,0,0,.8);
background: -webkit-radial-gradient( circle at top center, #f28fb8, #e982ad, #ec568c);
background: radial-gradient(circle at top center, #f28fb8, #e982ad, #ec568c);
}
.button:nth-child(3) { margin-right: 0; }
.button:after {
font-family: 'icomoon';
speak: none;
font-weight: normal;
-webkit-font-smoothing: antialiased;
font-size: 36px;
content: "\21";
color: #dd5183;
text-shadow: 0 3px 10px #f1a2c1, 0 -3px 10px #f1a2c1;
}
.button:nth-child(2):after { content: "\22"; }
.button:nth-child(3):after { content: "\23"; }
.button:hover:after {
color: #fff;
text-shadow: 0 1px 20px #fccdda, 1px 0 14px #fccdda;
}
.button:active {
box-shadow: 0 2px 7px rgba(0,0,0,.5) inset, 0 -3px 10px rgba(0,0,0,.1) inset, 0 1px 3px rgba(255,255,255,.5);
background: -webkit-radial-gradient(circle at top center, #f28fb8, #e982ad, #ec568c);
background: radial-gradient(circle at top center, #f28fb8, #e982ad, #ec568c);
}