main.content{
    z-index: -1;
    position: absolute;
    overflow: hidden;
    width: 100%;
    padding: 15px 15px 50px 15px;
    top: 62.5px;
    left: 0px;
    border-radius: 2.5px;
    background-color: rgb(200, 200, 200, 0.25);
}
div.content{
    padding: 2.5px;
    margin: 0px auto 0px auto;
    width: 30%;
    text-align: center;
}
#am_img{
    position: absolute;
    opacity: 0;
    margin-top: -50px;
    margin-left: 10px;
    transform: translateY(-5000px);
    width: 100px;
    border-top-right-radius: 50px ;
    border-bottom-right-radius: 35px;
    border-bottom-left-radius: 50px;
    box-shadow: -5px -5px 5px 2px rgb(219, 17, 78);
}
.linshao:hover #am_img{
    opacity: 0.5;
    transition: 0.5s;
}
.linshao:hover #am_img{
    transform: translateY(0px);
    transition: 0s;
}