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HTML

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CSS

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CSS Base

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JavaScript

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Babel includes JSX processing.

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HTML 

              
                .wrapper
	h1 Pagination. Resize your browser to show interesting effect.
	nav

		ul.pager

			li.pager__item.pager__item--prev
				a.pager__link(href='#')
					svg(xmlns='http://www.w3.org/2000/svg', width='8', height='12', viewbox='0 0 8 12')
						g(fill='none', fill-rule='evenodd')
							path(fill='#33313C', d='M7.41 1.41L6 0 0 6l6 6 1.41-1.41L2.83 6z')
											
			li.pager__item
				a.pager__link(href='#') ...

			li.pager__item
				a.pager__link(href='#') 1

			li.pager__item.active
				a.pager__link(href='#') 2

			li.pager__item
				a.pager__link(href='#') 3
				
			li.pager__item
				a.pager__link(href='#') 4
				
			li.pager__item
				a.pager__link(href='#') 5
				
			li.pager__item
				a.pager__link(href='#') 6
				
			
			li.pager__item
				a.pager__link(href='#') ...

			li.pager__item.pager__item--next
				a.pager__link(href='#')
					svg(xmlns='http://www.w3.org/2000/svg', width='8', height='12', viewbox='0 0 8 12')
						g(fill='none', fill-rule='evenodd')
							path(fill='#33313C', d='M7.41 1.41L6 0 0 6l6 6 1.41-1.41L2.83 6z')
!

CSS 

              
                $accent: #ffb74d
$text_color: #2f3640
@function rem($px)
	@return $px / 16px + 0rem
	@return $px

html
	font-family: 'Arial', sans-serif
	font-size: 12px
	background-color: #edeff0

html, body
	height: 100%
	background-color: #edeff0


body
	display: flex
	align-items: center

.wrapper
	width: 400px
	// height: calc(100% - 40px)
	padding: 20px
	margin: 20px auto
	background-color: #ffffff
	box-shadow: 0 1px 2px 0 #c9ced1
	border-radius: 4px

h1
	font-size: 20px
	font-weight: bold
	margin-bottom: 20px

/* ------------------------------ PAGINTION BEGIN ------------------------------ */
.pager
	margin: 0 0 rem(60px)
	font-size: 0
	text-align: center
	&__item
		display: inline-block
		vertical-align: top
		font-size: rem(18px)
		font-weight: bold
		margin: 0 2px
		&.active
			.pager__link
				background-color: $accent
				border-color: $accent
				color: #fff
				text-decoration: none
		&--prev, &--next
			svg
				width: 8px
				height: 12px
		&--next
			.pager__link
				svg
					transform: rotate(180deg)
					transform-origin: center center

	&__link
		position: relative
		border-radius: 4px
		display: block
		text-align: center
		width: rem(42px)
		height: rem(42px)
		line-height: rem(42px)
		margin-left: -1px
		color: $text_color
		text-decoration: none
		transition: .3s
		&:hover, &:focus, &:active
			background-color: $accent
			border-color: $accent
			color: #fff
			text-decoration: none
			svg path
				fill: #fff
	.pager__item.active + .pager__item, .pager__item:hover + .pager__item
		.pager__link
			border-left-color: $accent


@media screen and (max-width: 576px)
	.pager
		&__item
			position: absolute
			top: -9999px
			left: -9999px
			&.active, &:first-of-type, &:last-of-type, &:nth-of-type(2), &:nth-last-of-type(2)
				position: initial
				top: initial
				left: initial
		&__item.active
			& + li
				position: initial
				top: initial
				left: initial

/* ------------------------------ PAGINTION END ------------------------------ */
!

JS
!
999px

Console