body {
    margin: 0;
    padding: 0;
    background: radial-gradient(darkblue, black);
    height: 100vh;
    font: normal 10px "Courier New", "Courier", monospace;
    position: relative;
}

a {
    text-decoration: none;
    color: #33FF33;
}

code {
    display: block;
    font-size: 1.2rem;
    color: #33FF33;
    padding: 1rem;
    filter: drop-shadow(0 0 1px #fff);
}
.cursor {
    animation: cursor-blink 300ms alternate linear infinite;
}
@keyframes cursor-blink {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}