@media screen and (max-width: 1024px) {
    .main_header ul li{ padding:0 3%; font-size:19px;}
    .main_header h1{ font-size:38px;}
    .main_header a.learn_more{padding:24px 0; width:257px; height:74px;}
}
@media screen and (max-width: 767px) {
    .main_header ul li{ display:block; border:none; padding:10px 0}
    .main_header h1{ padding:70px 0 60px; font-size:29px;}
    .ajcol_content{ display:none;}
}
@media screen and (max-width: 360px) {
    .main_header{}
    .main_header h1{ line-height:45px; padding:30px 0;}
    .main_header a.learn_more{ height:auto; width:100%; padding:20px 0; margin:40px auto 0;}

}