body{padding-top:200px}header{width:100%;position:fixed;top:0;left:0;background:#eee;padding:10px;text-align:center}ul.itens li{list-style-type:none;margin-bottom:50px}ul.itens a{text-align:center;border:1px solid #000;border-radius:5px;display:block;padding:10px;text-decoration:none;color:#000;transition:all 1s}ul.itens a:hover{background:#000;color:#fff;transition:all 2s}p{margin:15px 0}ul.itens img{width:100%;border-radius:15px}footer{width:100%;position:fixed;left:0;bottom:0;text-align:center;color:#f0f8ff;background:#000;padding:10px}