:root {
    --max-width: 1100px;
    --border-radius: 12px;
    --font-mono: monospace;
    --primary: 255, 255, 255;
    --secondary: 0, 0, 0;

    --background: var(--primary);
    --main-color: var(--secondary);
}

@media (prefers-color-scheme: dark) {
    :root {
        --background: var(--secondary);
        --main-color: var(--primary);
    }
}

* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

html,
body {
    max-width: 100vw;
    overflow-x: hidden;
}

body {
    color: rgb(var(--main-color));
    background: var(--background);
}

a {
    color: inherit;
    text-decoration: none;
    text-shadow: 2px 0px 0 #555555;
    transition: text-shadow .3s;
}

a:hover {
    text-shadow: -13px 0 #242424, 13px 0 #242424;
}

@media (prefers-color-scheme: dark) {
    html {
        color-scheme: dark;
    }
}

.body {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #000, #111);
    height: 100vh;
}

.blackhole {
    width: 100%;
    aspect-ratio: 1/1;
}

.blackhole_container {
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    height: 90vmin;
    border: 3px solid;
    aspect-ratio: 1/1;
    margin: auto;
}

.noise,
.noise:before,
.noise:after {
    content: '';
    margin-top: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%,
            rgba(0, 0, 0, 1),
            rgba(0, 0, 0, 0)),
        url("data:image/svg+xml,%3Csvg viewBox='0 0 600 600' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    filter: contrast(115%) brightness(7750%) invert(100%);
    mix-blend-mode: screen;
    position: relative;
}

.noise:before,
.noise:after {
    z-index: 1;
    position: fixed;
    top: 0;
    transition: all 3s;
}

.noise:before {
    transform: scale(1.75);
    transform: rotateX(85deg);
    transform: rotateX(90deg);
}

.noise:after {
    transform: scale(1.5);
    transform: scale(0.3);

}

.center {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background-color: #fff;
    mix-blend-mode: difference;
    transition: background-color 15s cubic-bezier(.68, -0.55, .27, 1.55);
}