Viewport Bottom

by haba713

HTML

<div id="page">
<div id="lt" class="corner">
  left top
</div>
<div id="rt" class="corner">
  right top
</div>
<div id="lb" class="corner">
  left bottom
</div>
<div id="rb" class="corner">
  right bottom
</div>
</div>

<textarea id="txt" cols="40" placeholder="Focus here. Bottom corners should move above virtual keyboard.">
</textarea>

CSS

#page {
  width: 640px;
  height: 480px;
  border: 1px solid red;
}

.corner {
  position: absolute;
  width: 150px;
  text-align: center;
  background-color: green;
  color: white;
}

#lt {
  left: 0px;
  top: 0px;
}

#rt {
  right: 0px;
  top: 0px;
}

#lb {
  left: 0px;
  bottom: 0px;
}

#rb {
  right: 0px;
  bottom: 0px;
}

textarea {
  display: block;
  margin-left: auto;
  margin-right: auto;
  height: 400px;
}