#header {
   line-height: 1.0em;
   font-size: 1.0em;
   background: #d8d8d8 url(images/kickstart2.jpg) no-repeat right top;
}

#canvas_div {
   width: 640px;
   height: 480px;
   margin-left: auto;
   margin-right: auto;
   background-color: #f0f0f0;
   line-height: 1.0em;
}

body {
   min-width: 1040px;
}

#img_diffscene {
   float: right;
   width: 276px;
   margin-left: 10px;
   margin-top: 0.5em;
}

#img_shadow {
   float: right;
   width: 400px;
   margin-left: 10px;
   margin-top: 0.5em;
}