header{position: static;left: 0;right: 0;z-index: 500;background: white} article{margin: 115px 0} .responsiveImgPlay{position: relative;top: 91px} header .nav_header{width: 976px;margin: 0 auto} header .nav_header .logo{float: left;padding: 14px 0} header .nav_header .menu_toggle_dropDown_con{display: none!important;} body{right: 0!important;} .footer-content .news .news_content .left{float: left} .footer-content .news .news_content .right{float: right} .footer-content .news .news_content .contain{ height: 155px; width: 1010px; margin: 30px auto; }