body, html {
  margin: 0px;
  height: 100%;
} 

.hideme {
  visibility: hidden;
  width: 100%;
  height: 50%;
  margin-top: -230px;
  float: left;
} 

.container {
  background-color: #ffffff;
  width: 590px;
  height: 461px;
  clear: both;
  position: relative;
  top: -230px;
  position: static;
  margin: auto;
} 

.content
{
  position: absolute;
}