html,
body {
  height: 100%;
  margin: 0;
}
body {
  background-color: #fff;
  font-family: sans-serif;
  overflow: hidden;
}

table {
  height: 100%;
  width: 100%;
  border: none;
  border-collapse: collapse;
}
th, td {
  resize: both;
  overflow: auto;
}
table td {
  border-left: 5px solid #000;
  border-right: 5px solid #000;
}
td {
  height: 100%;
}
table td:first-child {
  border-left: none;
  width: 50%;
}
table td:last-child {
  border-right: none;
  width: 50%;
}
#blocklyOutput #code {
  padding: 0;
  margin: 0;
  border: 0;
  height: 100%;
  width: 100%;
  resize: none;
  overflow: scroll;
}