CodePen Home Outlined Mobile Cards

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CodePen Home Outlined Mobile Cards

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HTML

CSS

:root {
	--bg: 25% 0.0075 70;

--pink: 77.75% 0.1003 350.51;
	--gold: 84.16% 0.1169 71.19;
	--mint: 84.12% 0.1334 165.28;

--mobile--w: 360px;
	--mobile--h: 540px;

--outline-w: 9px;
	--preview-bg: #fff;
}

body {
	height: 100%;
}

body {
	background: linear-gradient(
		50deg,
		oklch(from oklch(var(--bg)) 50% c h),
		oklch(from oklch(var(--bg)) 90% c h)
	);
	background-attachment: fixed;
	padding: 3rem 10vw;
}

.preview__container {
	display: flex;
	flex-wrap: wrap;

place-items: center;
	place-content: center;

height: 100%;

/* fade out other cards when one is :hover/:focus-within */
	&:has(:hover, :focus-within) {
		.preview:not(:hover, :focus) {
			opacity: 0.4;
		}
	}
}

.preview {
	--bg-pos-y--start: 0;
	--bg-pos-y--end: 0;
	--bg-pos-y: var(--bg-pos-y--start);
	--delay: 0;
	--duration: 6s;

--shadow-blur: 24px;
	--shadow-color: oklch(var(--bg));

background-clip: padding-box;
	/* 	background-origin: content-box; */
	background-image: var(--img);
	background-position-y: var(--bg-pos-y);
	background-repeat: no-repeat;
	background-size: cover;
	background-attachment: fixed;

border: var(--outline-w) solid var(--border-color, transparent);
	border-radius: 6px;
	box-shadow: 0 0 var(--shadow-blur) 0 var(--shadow-color);

transition-property: border, 	box-shadow, 	filter, 	outline-offset, 	opacity, 	rotate,		scale,	z-index;
	transition-duration: 0.15s, 	0.15s, 				0.6s, 		0.6s, 						0.3s, 		0.3s,			0.3s,		0.15s;

filter: grayscale(100%) sepia(5%);
	mix-blend-mode: multiply;
	opacity: 0.69;

/* 		backface-visibility: hidden;
	transform: translateZ(0) perspective(1px); */
	/* 	transform-origin: center center; */

scale: 0.85;
	rotate: var(--rotation, -4deg);
	/* 	will-change: box-shadow, filter, rotate, scale, z-index; */

outline: var(--outline-w) solid var(--preview-bg);
	outline-offset: var(--outline-w);

min-height: var(--mobile--h);
	height: 100%;

min-width: var(--mobile--w);
	width: 100%;

position: relative;

animation-name: bg-scroll;
	animation-delay: var(--delay);
	animation-duration: var(--duration);
	animation-fill-mode: forwards;

&:focus-within,
	&:hover {
		--shadow-blur: 200px;
		--shadow-color: oklch(var(--gold));
		--border-color: var(--shadow-color);

background-color: white;
		mix-blend-mode: initial;
		filter: none;		
		opacity: 1;	
		
		outline-offset: calc(var(--outline-w) / 2);
		
		scale: 1;
		rotate: 0deg;
		
		transition-property: border, 		box-shadow, 		filter, 	outline-offset, 	opacity,	rotate,		scale, 		z-index;
		transition-duration: 0.15s, 		0.15s, 					0.3s, 		0.3s, 						0.3s, 		0.3s, 		0.3s, 		0.15s;
	}

&:focus-within {
		--shadow-color: oklch(var(--pink));
		z-index: 5;
	}
	
	&:hover	{
		z-index: 6;
		&:focus { --shadow-color: oklch(var(--mint)); }
	}

&.mobile {
		max-height: var(--mobile--h);
		max-width: var(--mobile--w);
	}

&:nth-of-type(2) {
		--bg-pos-y--end: calc(var(--mobile--h) * -1.025);
		/*       --delay: .25s; */
		--rotation: 3deg;
	}

&:nth-of-type(3) {
		--bg-pos-y--end: calc(var(--mobile--h) * -2.25);
		/*       --delay: .5s; */
		--duration: 6.5s;
		--rotation: -1deg;
	}

&:nth-of-type(4) {
		--bg-pos-y--end: calc(var(--mobile--h) * -3.75);
		/*       --delay: .75s; */
		--duration: 6.75s;
		--rotation: -5deg;
	}

&:nth-of-type(5) {
		--bg-pos-y--end: calc(var(--mobile--h) * -4.82);
		/*       --delay: 1s; */
		--duration: 7s;
		--rotation: -2deg;
	}

&:nth-of-type(6) {
		--bg-pos-y--end: calc(var(--mobile--h) * -5.85);
		/*       --delay: 1.25s; */
		--duration: 7.25s;
		--rotation: 2deg;
	}

&:nth-of-type(7) {
		--bg-pos-y--end: calc(var(--mobile--h) * -7.21);
		/*       --delay: 1.5s; */
		--duration: 7.5s;
		--rotation: 4deg;
	}
}

/* preview-scroll */
@keyframes bg-scroll {
	to {
		background-position-y: var(--bg-pos-y--end);
	}
}

JS