body {
  background: #111;
  color: #fff;
  font-family: monospace;
  padding: 120px 80px 20px 80px;
  font-size: 18px;
  margin: 0;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 20px 80px;
  background: #111;
  border-bottom: 1px solid #333;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}

header h1 {
  margin: 0;
  font-size: 24px;
  font-weight: normal;
}

.contact-button {
  background: transparent;
  color: #fff;
  border: 1px solid #fff;
  padding: 10px 20px;
  font-family: monospace;
  font-size: 16px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.3s, color 0.3s;
}

.contact-button:hover {
  background: #fff;
  color: #111;
}

#terminal {
  white-space: pre-wrap;
  font-size: inherit;
}

input {
  background: #111;
  color: #ffffff;
  border: none;
  outline: none;
  width: 100%;
  font-family: monospace;
  font-size: inherit;
}