div.preview {
  position: absolute;
  top: 0px;
  left: 0px;
  width: 97%;
  height: 95%;
  overflow: hidden;
  background-color: white;
  z-index: 999;
  display: none;
  border: 1px solid black;
  margin: 1.5%;
}

div.preview .content {
	overflow: auto;
	max-height: 99%;
	display: block;
}
.preview_box .header, .preview .header {
  font-size: 150%;
  margin-bottom: 5px;
  padding: 5px;
  border-bottom: 1px outset;
}

.preview  tr{
  vertical-align: top;
}

.preview div[id$='buttons']  {
  position: absolute;
  bottom: 0px;
  width: 100%;
  margin-left: 50%;
}