html,
body,
#viewDiv {
  padding: 0;
  margin: 0;
  height: 100%;
  width: 100%;
}

#filter {
  background-color: white;
  width: 400px;
}
.btns {
  float: right;
  padding-top: 5px;
}
#error {
  color: red;
  display: none;
}