* { outline: none; }
html { min-height: 100%; margin-bottom: 1px; }
body { background: #555; margin: 0; padding: 0; }
img { border: 0; }
.centered { width: 500px; height: 360px; text-align: center; color: #fff; position: absolute; left: 50%; top: 50%; margin-left: -250px; margin-top: -180px; }