@media screen and (min-width:641px){
}
@media screen and (min-width:1025px){
}
@media screen and (min-width:1921px){
}
@media screen and (max-width:1600px){
}
@media screen and (max-width:1524px){
}
@media screen and (max-width:1458px){
}
@media screen and (max-width:1441px){
}
@media screen and (max-width:1330px){
}
@media screen and (max-width:1260px){
}
@media screen and (max-width:1024px){
}
@media screen and (max-width:860px){
}
@media screen and (max-width: 768px) {
}
@media screen and (max-width:641px){
}
@media screen and (max-width:481px) {
}	
@media screen and (max-width:414px) {
    .head_pic{ width:90%;margin-left:8px;}
    .mar{ font-size: 0.8em;}
}
@media screen and (max-width: 375px) {
    .mar{ font-size: 0.7em;}
}
@media screen and (max-width: 360px) {
}
@media screen and (max-width: 320px) {
    .text-center{ bottom:0px;top:20px;}
    .h3{ font-size:0.9em;}
}