style.css

html, body {
  margin: 0;
  height: 100%;
  background: black;
  color: #d7ffe9;
  font-family: monospace;
}

#app {
  display: flex;
  height: 100vh;
}

#viewport {
  flex: 1;
  background: black;
}

#side {
  width: 420px;
  display: flex;
  flex-direction: column;
  border-left: 1px solid #144;
}

.header {
  color: #38ffb3;
  font-weight: bold;
  padding: 6px;
  border-bottom: 1px solid #144;
}

#console {
  flex: 1;
  display: flex;
  flex-direction: column;
}

#log {
  flex: 1;
  overflow-y: auto;
  font-size: 13px;
  padding: 6px;
}

#input {
  background: black;
  color: #d7ffe9;
  border: 1px solid #144;
  padding: 8px;
  outline: none;
}

#web {
  height: 40%;
  border-top: 1px solid #144;
}

#browser {
  width: 100%;
  height: calc(100% - 28px);
  border: none;
  background: #020b0a;
}