body, html {
  padding: 0;
  margin: 0;
  background-color: #e7f3f7;
  height: 100%
}

#container1 {
  display: table;
  position: static;
  overflow: visible;
  width: 100%;
  height: 100%;
}

#container2 {
  display: table-cell;
  vertical-align: middle;
  position: static;  
}

#container3 {
  display: table;
  width: 660px;
  margin-left: auto;
  margin-right: auto;
}

#container41, #container42 {
  display: table-cell;
}

#container41 img, #container42 img {
  border-width: 0;
}