.webgl-content * {border: 0; margin: 0; padding: 0; background-color:black}
.webgl-content {position: absolute; top: 50%; left: 50%; -webkit-transform: translate(-50%, -50%); transform: translate(-50%, -50%);}

.webgl-content .logo, .progress {position: absolute; left: 50%; top: 50%; -webkit-transform: translate(-50%, -50%); transform: translate(-50%, -50%);}
.webgl-content .logo {background: url('logo.png') no-repeat center / contain; height: 541px; width: 385px;}
.webgl-content .progress {height: 30px; width: 400px; margin-top: 320px;}
.webgl-content .progress .empty {background: url('waitwhite.png') no-repeat right / cover; float: right; width: 100%; height: 100%; display: inline-block;}
.webgl-content .progress .full {background: url('waitwhite.png') no-repeat left / cover; float: left; width: 0%; height: 100%; display: inline-block;}

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