html, body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: black;
    font-family: "Courier New", monospace;
}

canvas {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1;
}

.messages {
    position: fixed;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    color: #0F0;
    font-size: 2rem;
    text-align: center;
    z-index: 2;
    width: 100%;
    pointer-events: none;
}

.line {
    opacity: 0;
    transition: opacity 2s ease-in-out;
    margin: 0.5rem 0;
}

.line.show {
    opacity: 1;
}