.tac{text-align:center}.tal{text-align:left}.tar{text-align:right}.btn-archive{display:inline-block;border:1px solid #aaa;border-radius:2px;padding:0.6em 1em;font-size:14px;color:#5F5F5F;background:#fafafa;margin:.5em 0 1em}.btn-archive:hover{background:#F0F0F0}