伪类的使用--鼠标悬浮效果

.center{
    position: absolute;
    right: 60px;
    width: 306px;
    height: 318px;
    box-shadow: 0 8px 16px 0 rgba(7,17,27,.2);
    z-index: 1000;
    display: none;
    border: 1px solid red;
    background-color: white;
    border-bottom-left-radius: 8px;
}

.personal-one:hover .center{
    display: block;
}

.center-l{
    float: left;
    width: 128px;
    height: 36px;
    /*border: 1px solid red;*/
    margin-left: 15px;
    text-align: center;
    background-color:#f8efc0;
}


.center-l:hover {
    cursor:hand;
    background: #8c8c8c;
}