/* ==============================
     common
   ============================== */

* { box-sizing: border-box; }

body { background-color: #000; }

.wrap {
    position: relative;
    width: 100%;
    height: 100%;
    margin: 0 auto;
}

#contentsWrap {
    display: block;
}

header, footer,
#mainContents {
    display: none;
}