html5up_editorial/css/components/_posts.scss

///
/// Editorial by HTML5 UP
/// html5up.net | @ajlkn
/// Free for personal and commercial use under the CCA 3.0 license (html5up.net/license)
///

/* Posts */

	.posts {
		$gutter: (_size(gutter) * 2);

		@include vendor('display', 'flex');
		@include vendor('flex-wrap', 'wrap');
		margin: 0 0 _size(element-margin) ($gutter * -1);
		width: calc(100% + #{$gutter});

		article {
			@include vendor('flex-grow', '0');
			@include vendor('flex-shrink', '1');
			margin: 0 0 $gutter $gutter;
			position: relative;
			width: calc(#{(100% / 3)} - #{$gutter});

			&:before {
				background: _palette(border);
				content: '';
				display: block;
				height: calc(100% + #{$gutter});
				left: ($gutter * -0.5);
				position: absolute;
				top: 0;
				width: 1px;
			}

			&:after {
				background: _palette(border);
				bottom: ($gutter * -0.5);
				content: '';
				display: block;
				height: 1px;
				position: absolute;
				right: 0;
				width: calc(100% + #{$gutter});
			}

			> :last-child {
				margin-bottom: 0;
			}

			.image {
				display: block;
				margin: 0 0 _size(element-margin) 0;

				img {
					display: block;
					width: 100%;
				}
			}
		}

		@include breakpoint(xlarge-to-max) {
			article {
				&:nth-child(3n + 1) {
					&:before {
						display: none;
					}

					&:after {
						width: 100%;
					}
				}

				&:nth-last-child(1),
				&:nth-last-child(2),
				&:nth-last-child(3) {
					margin-bottom: 0;

					&:before {
						height: 100%;
					}

					&:after {
						display: none;
					}
				}
			}
		}

		@include breakpoint(xlarge) {
			article {
				width: calc(50% - #{$gutter});

				&:nth-last-child(3) {
					margin-bottom: $gutter;
				}
			}
		}

		@include breakpoint(small-to-xlarge) {
			article {
				&:nth-child(2n + 1) {
					&:before {
						display: none;
					}

					&:after {
						width: 100%;
					}
				}

				&:nth-last-child(1),
				&:nth-last-child(2) {
					margin-bottom: 0;

					&:before {
						height: 100%;
					}

					&:after {
						display: none;
					}
				}
			}
		}

		@include breakpoint(small) {
			$gutter: _size(gutter) * 1.5;

			margin: 0 0 _size(element-margin) ($gutter * -1);
			width: calc(100% + #{$gutter});

			article {
				margin: 0 0 $gutter $gutter;
				width: calc(50% - #{$gutter});

				&:before {
					height: calc(100% + #{$gutter});
					left: ($gutter * -0.5);
				}

				&:after {
					bottom: ($gutter * -0.5);
					width: calc(100% + #{$gutter});
				}

				&:nth-last-child(3) {
					margin-bottom: $gutter;
				}
			}
		}

		@include breakpoint(xsmall) {
			$gutter: _size(gutter) * 1.5;

			margin: 0 0 _size(element-margin) 0;
			width: 100%;

			article {
				margin: 0 0 $gutter 0;
				width: 100%;

				&:before {
					display: none;
				}

				&:after {
					width: 100%;
				}

				&:last-child {
					margin-bottom: 0;

					&:after {
						display: none;
					}
				}
			}
		}
	}