switch/public/assets/css/user.css

h2.page-header {
    margin:10px 0  25px 0;
    padding-bottom:15px;
}
.user-baseinfo {
    margin-bottom:25px;
}
.user-baseinfo table tr td {color:#999;}
@media (min-width: 767px) {
    .user-center .avatar-text,.user-center .avatar-img {
        height:150px;width:150px;border-radius: 150px;line-height:150px;font-size:70px;
    }
    .user-center .avatar-img  {font-size:0;}
    .user-center .avatar-img img {
        height:150px;width:150px;border-radius:150px;
    }
}