#alert { position: fixed; top: 20%; left: 20%; right: 20%; font-size: 2em; padding: 0.5em; z-index: 40; background: gray; background: rgba(32,32,32,0.9); color: white; border-radius: 1em; -moz-border-radius: 1em; -webkit-transition: opacity 1s linear; }
#alert.closed { opacity: 0; }
#alert input { position: absolute; top: 1em; right: 3em; }
#alert :link, #alert :visited { color: white; }
#alert :link:hover, #alert :visited:hover { background: transparent; }