body,html {
	font-family: Arial, Helvetica, sans-serif;
	background-color:#4BAA42;
	margin:0px;
	height:100%;
}

    DIV.outer
      {
      position: absolute;
      left: 50%;
      top: 50%;
      width: 650px;
      height: 650px;
      margin-left: -325px; /* half of width */
      margin-top: -325px;  /* half of height */
      background-color: #4BAA42;
      }
    DIV.inner
      {
      position:absolute;
      left: 50%;
      top :50%;
      width: 650px;
      height: 650px;
      margin-left: -325px; /* half of width */
      margin-top: -325px;  /* half of height */
      background-color: #4BAA42;
      }