.w-socials-item.wechat a{
overflow:visible;
}
.w-socials-item.wechat a:before{
content:"";
background-image:url(http://motion.imaiko.com/wp-content/uploads/2023/11/hero_endframe__bkh9oofkh2dy_large.jpg);
background-size: 100px 100px;
display: inline-block;
width:100px;
height:100px;
display:none;
position:absolute;
left:-110px;
top:-25px;
border:1px solid #ccc;
}
.w-socials-item.wechat:hover a:before{
display:inline-block;
opacity:1;
}