.left-2 li p:first-child{width:300px; height:300px; overflow:hidden; border-radius: 100%; margin: 0 auto; float: none;}
.left-2 li p:first-child img{max-height:none; width:100%;}
@media screen and (max-width: 680px){
.left-2 li p:first-child{width:200px; height:200px;}

}
@media screen and (max-width: 640px){
.left-2 li p:first-child{width:150px; height:150px;}

}