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

body {
	background-image: url("../image/moines.jpg");
	font-family: Verdana, Arial, Tahoma, Serif, sans-serif;
  		margin: 0;
		padding: 0;
		height: 100vh;	
		}
	
.clock {
	--_ow: clamp(5rem, 12vw, 8rem);
	--_w: 88cqi;
	--_r: calc((var(--_w) - var(--_sz)) / 2);
	--_sz: 12cqi;
	
	background: #222;
	block-size: var(--_ow);
	border-radius: 24%;
	container-type: inline-size;
	display: grid;
	font-family: ui-sans-serif, system-ui, sans-serif;
	inline-size: var(--_ow);
	margin-inline: 1fr;
	place-content: center;
	}

.clock-face {
	aspect-ratio: 1;
	background: var(--_bgc, #222);
	border-radius: 50%;
	block-size: var(--_w);
	font-size: 6cqi;
	font-weight: 700;
	list-style-type: none;
	inline-size: var(--_w);
	padding: unset;
	position: relative;
	}

.clock-face time {
	--_x: calc(var(--_r) + (var(--_r) * cos(var(--_d))));
	--_y: calc(var(--_r) + (var(--_r) * sin(var(--_d))));
	display: grid;
	height: var(--_sz);
	left: var(--_x);
	place-content: center;
	position: absolute;
	top: var(--_y);
	width: var(--_sz);
	}

.clock-face time:nth-child(1) { --_d: 270deg; }
.clock-face time:nth-child(2) { --_d: 300deg; }
.clock-face time:nth-child(3) { --_d: 330deg; }
.clock-face time:nth-child(4) { --_d: 0deg; }
.clock-face time:nth-child(5) { --_d: 30deg; }
.clock-face time:nth-child(6) { --_d: 60deg; }
.clock-face time:nth-child(7) { --_d: 90deg; }
.clock-face time:nth-child(8) { --_d: 120deg; }
.clock-face time:nth-child(9) { --_d: 150deg; }
.clock-face time:nth-child(10) { --_d: 180deg; }
.clock-face time:nth-child(11) { --_d: 210deg; }
.clock-face time:nth-child(12) { --_d: 240deg; }

.arm {
	background-color: var(--_abg);
	border-radius: calc(var(--_aw) * 2);
	display: block;
	height: var(--_ah);
	left: calc((var(--_w) - var(--_aw)) / 2);
	position: absolute;
	top: calc((var(--_w) / 2) - var(--_ah));
	transform: rotate(0deg);
	transform-origin: bottom;
	width: var(--_aw);
	}

.seconds {
	--_abg: rgb(0, 255, 255);
	--_ah: 40cqi;
	--_aw: 1.5cqi;
	animation: turn 60s linear infinite;
	animation-delay: var(--_ds, 0ms);
	}

.minutes {
	--_abg: rgb(255, 140, 5);
	--_ah: 35cqi;
	--_aw: 2.5cqi;
	animation: turn 3600s steps(60, end) infinite;
	animation-delay: var(--_dm, 0ms);
	}

.hours {
	--_abg: rgb(0, 255, 102);
	--_ah: 30cqi;
	--_aw: 2.5cqi;
	animation: turn 43200s linear infinite; /* 60 * 60 * 12 */
	animation-delay: var(--_dh, 0ms);
	position: relative;
	}

.hours::before {
	background-color: #fff;
	border: 1cqi solid #333;
	border-radius: 50%;
	content: "";
	display: block;
	height: 4cqi;
	position: absolute;
	bottom: -3cqi;
	left: -1.75cqi;
	width: 4cqi;
	}

@keyframes turn {
	to {
		transform: rotate(1turn);
		}
	}

@supports not (left: calc(1px * cos(45deg))) {
	time {
		left: 50% !important;
		top: 50% !important;
		transform: translate(-50%,-50%) rotate(var(--_d)) translate(var(--_r)) rotate(calc(-1*var(--_d)));
		}
	}

html {
	backgroun-color: black; 
	font-size: 2vh; /* Sets the root font size */
	color: white;
	}

hr {
	color: white;
	margin: 2px;
	}

h1 {
	font-size: 2.5rem; /* 2.5 * 2 = 5vh */
	color: white;
	}

h2 {
	font-size: 2rem; /* 2 * 2 = 4vh */
	color: white;
	}

h3 {
	font-size: 1.5rem; /* 1.5 * 2 = 30vh */
	color: white;
	}

p {
	font-size: 1rem; /* 1 * 2 = 2vh */
	color: white;
	}

img {
	max-width: 50%;
	height: auto;
	}

Main {
	}

<!-- Test de compréhention  - un autre type d'essai -->
	 
.grid-container-1 {
    display: grid;
/*	background-color: #1fe0; */
	}

.grid-container-1--fill {
    grid-template-columns: repeat(auto-fill, minmax(80vh, 1fr));
	}

<!--.grid-container--fit {
    grid-template-columns: repeat(auto-fit, minmax(80vh, 1fr));
	}
-->

.grid-element {
	padding: 20px;
/*	color: #fff; */
	border: 1px #fff; <!-- Bordure des zones -->
	}
	
.grid-sub-element {
	display: inline-grid;
	padding: 10x;
/*	color: solid yellow; */
	border: 1px #fff; <!-- Bordure des zones -->
	}

.grid-sub-element:hover {
  background-color: grey;
	}	

.grid-container-2 {
    display: grid;
/*	background-color: #1fe0; */
	}

.grid-container-2--fill {
    grid-template-columns: 30% 60% auto;
	}

.grid-container--fit {
    grid-template-columns: repeat(auto-fit, minmax(80vh, 1fr));
	}

.grid-element-2 {
	padding: 20px;
/*	color: #ffffff; */
	border: 1px solid blue; <!-- Bordure des zones -->
	}

.grid-sub-elemnt-2 {
	display: inline-grid;
	padding: 10px;
/*	color: #fff; */
	border: 1px solid cyan; <!-- Bordure des zones -->
	}

.grid-sub-element-2:hover {
  background-color: #ff99cc;
	}