body
{
   background-color: #000000;
   color: #000000;
   font-family: Arial;
   font-weight: normal;
   font-size: 16px;
   line-height: 1.1875;
   margin: 0;
   padding: 0;
}
    body { margin: 0; overflow: hidden; background-color: #000000; }
    canvas { width: 100%; height: 100%; display: block; }