骚气的置顶

<div class="wrap"><span class="wraps">置顶</span></div>
<style type="text/css">
.wrap {
    width: 100%;
    height: 100%;
    position: absolute;
    top: -8px;
    left: 8px;
    overflow: hidden;
    font-size: 17px;
    font-weight: 400;
    color: #fff;
    opacity: 0.5;
    -webkit-transition: .3s ease all;
    -moz-transition: .3s ease all;
    -ms-transition: .3s ease all;
    -o-transition: .3s ease all;
    transition: .3s ease all;
}
.wrap:hover {
    opacity: 0.9;
}
.wraps {
    display: inline-block;
    text-align: center;
    width: 200px;
    height: 30px;
    line-height: 27px;
    position: absolute;
    top: 30px;
    right: -50px;
    z-index: 2;
    overflow: hidden;
    transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    border: 1px dashed;
    box-shadow: 0 0 0 3px #fff, 0px 21px 5px -18px rgba(0,0,0,0.6);
    background: #f63880;
}
</style>