.webgl-content * {border: 0; margin: 0; padding: 0}
.webgl-content {background: url('ZombieChoppa.jpg') no-repeat; position: absolute; top: 50%; left: 50%; -webkit-transform: translate(-50%, -50%); transform: translate(-50%, -50%);}

.webgl-content .progress {position: absolute; left: 38%; top: 43%; -webkit-transform: translate(-50%, -50%); transform: translate(-50%, -50%);}
.webgl-content .progress {height: 18px; width: 141px; margin-top: 80px;}
.webgl-content .progress .empty {background: url('progressEmpty.Light.png') no-repeat right / cover; float: right; width: 100%; height: 100%; display: inline-block; position: absolute;}
.webgl-content .progress .full {background: url('progressFull.Light.png') no-repeat left / cover; float: left; width: 100%; height: 100%; display: inline-block; position: absolute;}

.webgl-content .progress.Dark .empty {background-image: url('progressEmpty.Dark.png');}
.webgl-content .progress.Dark .full {background-image: url('progressFull.Dark.png');}