body {
    width:100%;
    margin:0 auto;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 30px;
    overflow:hidden;

}

#wrapper{
    width:100%;
}

#myCanvas{
    background:#fff;
}

#totalDistance{
    position:absolute;
    bottom:10px;
    left:10px;    
}