body {
    background-color: black;
    color: white;
    font-family: 'Courier New', Courier, monospace;
}

.terminal {
    padding: 20px;
    max-width: 800px;
    margin: 100px auto;
}

#user-input {
    width: 100%;
    background-color: black;
    color: white;
    border: none;
    outline: none;
}

a {
    color: white;
    text-decoration: underline;
}

.error-message {
    color: red;
    font-weight: bold;
}

#container {
    margin: 20px;
    width: 200px;
    height: 200px;
}

#hidden-input {
    position: absolute;
    opacity: 0;
    z-index: -1;
}