body {
  background: #111;
  color: #0f0;
  font-family: monospace;
  padding: 20px;
}
#terminal {
  width: 100%;
  max-width: 800px;
}
input {
  background: transparent;
  border: none;
  color: #0f0;
  font-family: monospace;
  outline: none;
  width: 90%;
}
.prompt {
  display: inline-block;
  width: 1em;
}
#result {
  margin-top: 20px;
  background: #222;
  padding: 1em;
  color: #fff;
}
#title{
  margin: 0 auto;
  text-align: center;
  width: 90%;
}
#title img{
  width: 90%;
}