html, body {
    background-color: #000;
    color: #fff;
    padding: 0;
    margin: 0;
    text-align: center;
    font-size: 42px;
    font-family: 'Courier New', Courier, monospace;
}

.center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.blink {
    animation: blink .2s infinite;
}

@keyframes blink {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.bg {
    z-index: 1;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.page {
    height: 100vh;
    position: relative;
}

ul, li, ol {
    list-style: none;
}

a:link, a:visited {
    color: #fff;
}

@media (prefers-reduced-motion: reduce) {
    .blink {
        animation: none;
    }

    .bg {
        display: none;
    }
}