section {
    position: relative;
    width: 100%;
    min-width: 200px;
    height: 450px;
    min-height: 450px;
}
section > div {
    position: absolute;
    left: 50%;
    top: 50%;
}
footer { text-align: center; font-family: "Poiret One",cursive; color: #999999; }
footer > a { color: #999999; }
/********
 * 鏡餅 *
 ********/
#mochi { background-color: #CFCFCF; }
#mochi div{/* もち */
    left: 50%;
    margin-top: -130px;
    margin-left: -50px;
    width: 100px;
    height: 60px;
    background-color: white;
    box-shadow: inset 0 0 5px #D0D0D0,
        0 75px 0 15px white,
        0 225px 0 40px sandybrown,
        1px 226px 5px 40px brown;
}
#mochi div:before {/* 台座 */
    content: '謹賀新年 2015年 未年 ';
    font-weight: bold;
    text-align: center;
    line-height: 2.4;
    width: 250px;
    height: 35px;
    display: block;
    position: absolute;
    left: 50%;
    top: 150px;
    margin-left: -125px;
    background-color: sandybrown;
    box-shadow: 0 1px 5px -1px brown;
}
#mochi div:after {/* 穴、みかん */
    content: '';
    display: block;
    position: absolute;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    left: 50%;
    margin-left: -25px;
    margin-top: 205px;
    border-radius: 25px 25px 15px 15px;
    background: black;
    box-shadow: -11px -265px 8px -20px white,
        0 -275px 0 -22px darkgreen,
        -48px -200px 0 5px white, 48px -200px 0 5px white,
        -60px -125px 0 20px white, 60px -125px 0 20px white,
         0 -255px 0 orange;
}