html,
body {
  height: 100%;
  background-color: #89CFF0;
}

table {
  width: 45%;
  border: solid 1px #DDD;
  border-collapse: collapse;
  padding: 2px 3px;
  text-align: center;
}

th,
td {
  border: solid 1px #DDD;
  border-collapse: collapse;
  padding: 2px 3px;
  text-align: center
}

.right-half {
   display: none;
}

.left-half {
  position: absolute;
  left: 0px;
  width: 50%;
}

.right-half {
  position: absolute;
  right: 0px;
  width: 50%;
}
input[type="button"]{

  background-color: #4CAF50;
  color: white;}