header { background-color:#0085ce; } .header .cont .head { background:url(http://azar3eo.ir/wp-content/uploads/logo.png); }
@media screen and (max-width:768px){
.header .cont .head { background-image:url(https://azar3eo.ir/wp-content/themes/Azar3eo-v2/img/head-res.jpg);
}
@media screen and (max-width:768px){
.header .cont .head { background-image:url(http://azar3eo.ir/wp-content/uploads/logo.png);
}