/*
 * Cleansing Fire CSS Reset
 *
 * https://0x7be.de/projects/cleansing_fire_css_reset/
**/
body,
body *,
body ::before,
body ::after {
    all: unset;
    font-family: sans-serif;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}


/* style */
:root {
    --outer-space: 4%;
    --outer-color: #2e3436;
    --ring-color: #729fcf;
    --inner-color: #2e3436;
    --background-color: #555753;
}


/* Align */
body {
    background: var(--background-color);
    display: block;
    border: var(--outer-space) solid rgba(0,0,0,0);
    position: absolute;
    inset: 0;
}


/* base setup */
h1,
h1::before,
h1::after {
    display: block;
    width: 100%;
    height: 100%;
    content: '';
    border-radius: 100%;
}


/* outer ring */
h1 {
    font-size: 0;
    --max-size: calc(var(--outer-space) * 2);
    margin-left: auto;
    margin-right: auto;
    width: auto;
    height: auto;
    max-width: calc(100vw - var(--max-size));
    max-height: calc(100vh - var(--max-size));
    aspect-ratio: 1/1;
    position: relative;
    background-color: var(--outer-color);
    top: 50%;
    transform: translateY(-50%);
}


/* blue ring */
h1::before {
    position: absolute;
    background-color: var(--ring-color);
    transform: scale(0.75);
}


/* inner circle ring */
h1::after {
    position: absolute;
    background-color: var(--inner-color);
    transform: scale(0.5);
}