.callus_w{position: fixed;left: 0;top: 0;z-index: 100; -webkit-backface-visibility: hidden; backface-visibility: hidden;}

@media screen and (max-width:1366px){
.callus_w img{width:80%}
}
@media screen and (max-width:1199px){
.callus_w img{width:75%}
/*.callus_w{position: absolute;left: 0;top: 100px;z-index: 100;}*/
}
@media screen and (max-width:767px){
.callus_w {display:none;}
}