<style type="text/css"> #content{ width: 100%; } #main-sidebar, .post-header, .post-ads, .post-right { display: none; } </style><style> #my-landing-page-header { width: 100%; font-size: 20px; padding: 0px 0px; color: #000 } #main-wrapper #main { margin-right: 0%!important; } #main-wrapper { border-right: none; width:100% !important; } div.phu-kien { width: 20%; float: left; margin-bottom:20px; } div.phu-kien h2{