.footer_block{display:none}#maincontent{padding-bottom:0}.section_index .top_img{position:relative}.section_index .top_img:after{content:"";position:absolute;background:#000;width:100%;height:100%;top:0;opacity:0;transition:all .3s}.section_index .top_img:hover:after{opacity:.4}a:hover{opacity:1}.lock_scroll{overflow:hidden}@media screen and (max-width:768px){.lock_scroll{left:0;right:0;padding-right:0;position:relative}}