html, body { height: 100%; }

body {
    margin: 0;
    padding: 0;
    overflow: auto;
    text-align: center;
    background-color: #ffffff;
    overflow: hidden;
}

#loading {
    width: 100%;
    height: 100%;
    top: 0px;
    left: 0px;
    position: fixed;
    z-index: 99;
    text-align: center;
}

#loading-image {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 2em;
    height: 2em;
    margin-top: -1em; /*set to a negative number 1/2 of your height*/
    margin-left: -1em; /*set to a negative number 1/2 of your width*/
}

#viewer3d-iframe-holder { overflow: hidden; }

#viewer3d {
    overflow: hidden;
    border: none;
    position: absolute;
    z-index: 5;
}

.floating-element-common {
    width: 1px;
    height: 1px;
    left: -66px;
    overflow: hidden;
    border: none;
    position: absolute;

    z-index: 2;
    /*font-size: 1px;  0 breaks windows chrome*/
    box-sizing: border-box;
    opacity: 0;
    color: transparent;
    text-indent: -9999em;
    /*
    filter:alpha(opacity=00);
    pointer-events:none;*/
}

textarea.floating-element-common {
    white-space: pre;
    overflow-wrap: normal;
}

.floating-element-windows {
    text-indent: 0em;
    font-size: 1px;
}

.floating-element-mac { text-indent: 0em; }

.floating-element-ios {
    /*left: -500px;*/
    border: 1px solid black; /* https://blog.codepen.io/2013/03/05/better-ios-support/ */
}

.floating-element-android {
    text-indent: 0em;
    /*font-size: 16px; must be a normal sized font, otherwise, the browser wil zoom very deep */
}

.floating-element-ie { text-indent: -3em; }

.unselectable {
    -moz-user-select: -moz-none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -o-user-select: none;
    user-select: none;
}

.stageCanvas {
    outline: 0;
    position: absolute;
    left: 0;
    top: 0
}