#bgexit{
    background-color: rgba(255,255,255,0);
    cursor: pointer;
    height: 100%;
    left: 0px;
    position: absolute;
    top: 0px;
    width: 100%;
}
canvas{
     background-color:#FFFFFF;
     position: absolute;
     left: 0;
     top: 0;
}
body{
     width:728px;
     height: 90px
}