@import url(https://fonts.googleapis.com/css?family=Open+Sans:400,700);

@keyframes bake-pie {
    from {
        transform: rotate(0deg) translate3d(0,0,0);
    }
}

body {
    font-family: "Open Sans", Arial;
    background: #EEE;
}

main {
    width: 600px;
    margin: 30px auto;
}

section {
    margin-top: 30px;
}

.pieID {
    display: inline-block;
    vertical-align: top;
}

.pie {
    height: 200px;
    width: 200px;
    position: relative;
    margin: 0 30px 30px 0;
}

    .pie::before {
        content: "";
        display: block;
        position: absolute;
        z-index: 1;
        width: 100px;
        height: 100px;
        background: #EEE;
        border-radius: 50%;
        top: 50px;
        left: 50px;
    }

    .pie::after {
        content: "";
        display: block;
        width: 120px;
        height: 2px;
        background: rgba(0,0,0,0.1);
        border-radius: 50%;
        box-shadow: 0 0 3px 4px rgba(0,0,0,0.1);
        margin: 220px auto;
    }

.slice {
    position: absolute;
    width: 200px;
    height: 200px;
    clip: rect(0px, 200px, 200px, 100px);
    animation: bake-pie 1s;
}

    .slice span {
        display: block;
        position: absolute;
        top: 0;
        left: 0;
        background-color: black;
        width: 200px;
        height: 200px;
        border-radius: 50%;
        clip: rect(0px, 200px, 200px, 100px);
    }

.legend {
    list-style-type: none;
    padding: 0;
    margin: 0;
    background: #FFF;
    padding: 15px;
    font-size: 13px;
    box-shadow: 1px 1px 0 #DDD, 2px 2px 0 #BBB;
}

    .legend li {
        width: 210px;
        height: 1.25em;
        margin-bottom: 0.7em;
        padding-left: 0.5em;
        border-left: 1.25em solid black;
    }

    .legend em {
        font-style: normal;
    }

    .legend span {
        float: right;
    }

footer {
    position: fixed;
    bottom: 0;
    right: 0;
    font-size: 13px;
    background: #DDD;
    padding: 5px 10px;
    margin: 5px;
}