body {
    background-color: black;
    color: white;
    width: 50%;
    margin: 0 auto;
    font-family: "Courier New", Courier, monospace;
}

header {
    display: flex;
    justify-content: center;
}

button {
    color: black;
    border: 1px solid black;
    transition: all 0.4s ease;
    padding: 10px;
    font-size: 1.3rem;
}

button:hover {
    background-color: red;
    color: white;
}