body {
  background-color: #000;
  color: #0f0;
  font-family: "Courier New", Courier, monospace;
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
}

#terminal {
  width: 80%;
  height: 80%;
  background: #111;
  border: 2px solid #0f0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

#output {
  flex-grow: 1;
  padding: 10px;
  overflow-y: auto;
  white-space: pre-wrap;
}

#input-container {
  display: flex;
  align-items: center;
  padding: 10px;
  background: #222;
  border-top: 2px solid #0f0;
}

.prompt {
  color: #0f0;
}

#user-input {
  flex-grow: 1;
  background: none;
  border: none;
  color: #0f0;
  font-family: inherit;
  font-size: 125%;
  outline: none;
}