@-moz-keyframes scroll-left { 0% { -moz-transform: translateX(100%) } 100% { -moz-transform: translateX(-100%) } }
@-webkit-keyframes scroll-left { 0% { -webkit-transform: translateX(100%) } 100% { -webkit-transform: translateX(-100%) } }
@keyframes scroll-left { 0% { transform: translateX(100%) } 100% { transform: translateX(-100%) } } 

#alert { width: 100%; height: 25px; overflow: hidden; position: relative; background: rgba(0, 0, 0, 0.5) }
#alert .alert { position: absolute; top: 0; right: 0; width: auto; height: 25px; line-height: 25px; white-space: nowrap; text-align: center; color: #ffffff }
#alert .alert { -moz-animation: scroll-left 15s linear infinite; -webkit-animation: scroll-left 15s linear infinite; animation: scroll-left 15s linear infinite }
#alert .alert p { margin: 0 }