html,body{font-size:13px}.sub_head{height:350px;background-size:cover}.sub_row .section_title h4{font-size:34px}.sub_row .section_title p{font-size:14px}.cad_1_wrap .img_box{background-size:cover}@media screen and (max-width:1000px){html,body{font-size:12px}}