.top-nav .identicon{display:inline-block;width:30px;height:30px;border:0 solid;border-radius:50%;overflow:hidden;margin-right:.5em}.top-nav .identicon img{width:100%;height:auto;max-width:100%;max-height:100%}.top-page .ad{width:300px;height:300px;background:#eee}.top-page .floating-action{position:fixed;right:2em;bottom:1em;z-index:100}