/* CSS ¾ÓÖÐ */
.wrap {
    width: 900px;
    height: 600px;
    margin: 0 auto;
    padding: 200px 100px 100px 100px;
    display: table;
    *position: relative;
}

.hack {
    display: table-cell;
    vertical-align: middle;
    *position: absolute;
    *top: 50%;
}

.cnt {
    *position: relative;
    *top: -50%;
}<!--ºÄʱ1755526236.5561Ãë-->