html,
body {
    padding: 0;
    margin: 0;
    overflow: hidden;
    background: black;
    text-align: center;
}

#engine {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    background: black;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.background {
    opacity: 0
}

#bg1,
#bg2 {
    position: absolute;
    width: 50%;
    height: 100%;
    background-repeat: repeat-x;
    background-size: 100% 100%;
}

#bg1 {
    background-image: url('../images/1024x768/interface/bg_left.png');
    left: 0;
    /* chrome fullscreen fix */
    top: 0;
}

#bg2 {
    left: 50%;
    top: 0;
    background-image: url('../images/1024x768/interface/bg_right.png');
}

#loading {
    left: 0;
    line-height: 200px;
    margin-top: -100px;
    position: absolute;
    text-align: center;
    top: 50%;
    width: 100%;
    color: white;
    font-size: 4em;
}