table.centerblock {
  margin-top: 10px;
  margin-bottom: 15px;
  width: 806px;
  height: 231px;
  border: none;
  padding: 0px;
}

td.centerstage {
  margin: 0px;
  padding: 0px;
  border: none;
  width: 806px;
  height: 233px;
  background-color: #afafaf;
}

div.centerstage {
  top: 95px;
  margin: 0px;
  padding: 0px;
  border: solid 1px #afafaf;
  width: 800px;
  height: 231px;
}

#stage1 {
  position: absolute;
  top: 94px;
  z-index: 1005;
}

#stage2 {
  position: absolute;
  top: 94px;
  z-index: 1004;
  display: none;
}

#stage3 {
  position: absolute;
  top: 94px;
  z-index: 1003;
  display: none;
}

#stage4 {
  position: absolute;
  top: 94px;
  z-index: 1002;
  display: none;
}

#stage5 {
  position: absolute;
  top: 94px;
  z-index: 1001;
  display: none;
}

td.centernav {
  maximum-width: 197px;
  border: solid 1px #afafaf;
  height: 47px;
  background-image: url('https://www.stata.com/i1/button_off.png');
  background-repeat: no-repeat;
  background-position: center top;
  background-size: auto 100%;
}

td:hover.centernav {
  background-image: url('https://www.stata.com/i1/button_on.png');
  background-repeat: no-repeat;
  background-position: center top;
  background-size: auto 100%;
}

td.centernav a {
  display: block;
  height: 47px;
  vertical-align: middle;
  text-align: center;
  text-decoration: none;
  border: none;
}

img {
  border: none;
  margin: 0px;
  padding: 0px;
}