.canvasHolder{
    background-color: #8ec8c5;
    width:100%;
    height:100%;
    position:fixed;
    top:0px;
    left:0px;
    z-index: 50;
}

.mainCanvas{
    background-color: #55ff55;
    width: 100%;
    height: 100%;
    position: fixed;
    top:0px;
    left:0px;
    z-index: 51;
}