canvas {
  position:absolute;
  bottom:0px; left:0px;
  background: #f0f9ff;
  background: -moz-linear-gradient(top,  #f0f9ff 0%, #cbebff 47%,   #a1dbff 100%);
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#f0f9ff), color-stop(47%,#cbebff), color-stop(100%,#a1dbff));
  background: -webkit-linear-gradient(top,  #f0f9ff 0%,#cbebff  47%,#a1dbff 100%);
  background: -o-linear-gradient(top,  #f0f9ff 0%,#cbebff 47%,#a1dbff 100%);
  background: -ms-linear-gradient(top,  #f0f9ff 0%,#cbebff 47%,#a1dbff 100%);
  background: linear-gradient(to bottom,  #f0f9ff 0%,#cbebff 47%,#a1dbff 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f0f9ff', endColorstr='#a1dbff',GradientType=0 );
}