.bl_sideFixed{left:20px;position:fixed;top:50%;transform:translateY(-50%);z-index:100}.bl_sideFixed>:last-child{margin-bottom:0}.bl_sideFixed_item{margin-bottom:9px;width:30px}.bl_sideFixed_item img{width:100%}@media screen and (max-width:768px){.bl_sideFixed{display:none}}