body {
   background-image: url("stoneBrick.png");
   background-repeat: repeat;
}
canvas {
   padding: 10;
   margin-left: auto;
   margin-right: auto;
   display: block;
   width: 570px;
   height: 170px;
   box-shadow: 10px 10px 5px #333333;
}

#buttonDiv {
   width: 500px
   height: 170px
}