section.material_view div.head{margin-bottom:20px;text-align:center}section.material_view div.head img{max-height:350px;margin:20px 0}section.material_view div.body{border-bottom:1px solid #d0d0d0;padding-bottom:50px}section.material_view div.body div.desc img{max-width:100%;display:block;margin:0 auto}section.material_view div.body div.desc *{text-align:inherit}section.material_view div.body div.file{text-align:center;font-weight:700}section.material_view div.body div.file a{margin-right:5px}section.material_view div.body div.file a:hover{text-decoration:underline}section.material_view div.btns{text-align:right}