.publicity {
    position: absolute;
    width: 160px;
    top: 118px;
}

.publicity.left {
    left: -190px;
}

.publicity.right {
    right: -190px;
}

.publicity .item {
    margin: 25px 0;
    position: relative;
}

.publicity .close {
    display: none;
    position: absolute;
    top:4px;
    right:4px;
    width: 30px;
    cursor: pointer;
}

.publicity .item:hover .close {
    display: block;
}

.publicity .detail {
    display: none;
    position:fixed;
    top: 50%;
    left:50%;
    margin-top: -280px;
    margin-left: -200px;
    z-index: 99;
}

.publicity .detail .close {
    right: -14px;
    left: unset;
}