设计图标按钮

HTML

<div class="controls_button">
    <button type="button" class="button">Chrome</button>
    <button type="button" class="button">Firefox</button>
    <button type="button" class="button">IE</button>
</div>
					    

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);
}