Html5 鼠标悬浮展开

效果

代码

HTML

<div class="container_krj">
	<div class="box box-1" style="--img: url(https://www.krjojo.com/wp-content/uploads/2024/03/img-1-1.webp);" data-text="Renji"></div>
	<div class="box box-2" style="--img: url(https://www.krjojo.com/wp-content/uploads/2024/03/img-2-1.webp);" data-text="Sora"></div>
	<div class="box box-3" style="--img: url(https://www.krjojo.com/wp-content/uploads/2024/03/img-3-1.webp);" data-text="Kaito"></div>
	<div class="box box-4" style="--img: url(https://www.krjojo.com/wp-content/uploads/2024/03/img-4-1.webp);" data-text="Tsuki"></div>
	<div class="box box-5" style="--img: url(https://www.krjojo.com/wp-content/uploads/2024/03/img-5-1.webp);" data-text="Mitsui"></div>
</div>

css

<style>
.container_krj {
	position: relative;
	display: grid;
	grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
	gap: 1em;
	height: 500px;
	transition: all 400ms;
}

.container_krj:hover .box {
	filter: grayscale(100%) opacity(24%);
}

.box {
	position: relative;
	background: var(--img) center center;
	background-size: cover;
	transition: all 400ms;
	display: flex;
	justify-content: center;
	align-items: center;
}

.container_krj .box:hover {
	filter: grayscale(0%) opacity(100%);
}

.container_krj:has(.box-1:hover) {
	grid-template-columns: 3fr 1fr 1fr 1fr 1fr;
}

.container_krj:has(.box-2:hover) {
	grid-template-columns: 1fr 3fr 1fr 1fr 1fr;
}

.container_krj:has(.box-3:hover) {
	grid-template-columns: 1fr 1fr 3fr 1fr 1fr;
}

.container_krj:has(.box-4:hover) {
	grid-template-columns: 1fr 1fr 1fr 3fr 1fr;
}

.container_krj:has(.box-5:hover) {
	grid-template-columns: 1fr 1fr 1fr 1fr 3fr;
}

.box:nth-child(odd) {
	transform: translateY(-16px);
}

.box:nth-child(even) {
	transform: translateY(16px);
}

.box::after {
	content: attr(data-text);
	position: absolute;
	bottom: 20px;
	background: #000;
	color: #fff;
	padding: 10px 10px 10px 14px;
	letter-spacing: 4px;
	text-transform: uppercase;
	transform: translateY(60px);
	opacity: 0;
	transition: all 400ms;
}

.box:hover::after {
	transform: translateY(0);
	opacity: 1;
	transition-delay: 400ms;
}
</style>