html, body { margin: 0; padding: 0; width: 100%; height: 100%; overflow: hidden; background: #000 }
/* The game is always the largest 932:676 box that fits, centered; the rest of the page is black bars. */
#unity-container { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; background: #000 }
#unity-canvas { display: block; background: #231F20; outline: none }
#unity-loading-bar { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: none }
#unity-logo { width: 154px; height: 130px; background: url('unity-logo-dark.png') no-repeat center }
#unity-progress-bar-empty { width: 141px; height: 18px; margin-top: 10px; margin-left: 6.5px; background: url('progress-bar-empty-dark.png') no-repeat center }
#unity-progress-bar-full { width: 0%; height: 18px; margin-top: 10px; background: url('progress-bar-full-dark.png') no-repeat center }
#unity-fullscreen-button { position: fixed; right: 8px; bottom: 8px; width: 38px; height: 38px; cursor: pointer; opacity: 0.35; background: url('fullscreen-button.png') no-repeat center; display: none }
#unity-fullscreen-button:hover { opacity: 0.9 }
#unity-warning { position: absolute; left: 50%; top: 5%; transform: translate(-50%); background: white; padding: 10px; display: none }