wp-calypso/client/components/activity-card-list/style.scss

.activity-card-list__pagination-top {
	@include breakpoint-deprecated( "<480px" ) {
		display: none;
	}
}

.activity-card-list__pagination-bottom {
	margin-bottom: 1rem;
}

.activity-card-list__filterbar-ctn.is-sticky {
	@include breakpoint-deprecated( "<480px" ) {
		position: fixed;
		top: var(--masterbar-height);
		left: 0;
		right: 0;
		z-index: z-index("root", ".masterbar");

		padding: 0 16px;

		background-color: var(--color-surface-backdrop);
		border-bottom: 1px solid var(--color-neutral-10);

		.filterbar {
			margin-bottom: 0;
		}
	}
}
.activity-card-list__date-group-upsell {
	.activity-card__actor,
	.activity-card__activity-description,
	.activity-card__activity-title {
		filter: blur(10px);
	}
	.activity-card__activity-overlay {
		position: absolute;
		top: 0;
		bottom: 0;
		left: 0;
		padding: 12px 0;
		text-align: center;
		width: 100%;

		p.activity-card__activity-overlay-text {
			font-size: $font-body;
			margin-bottom: 0.5rem;
		}
	}
}

@include breakpoint-deprecated( "<660px" ) {
	.activity-card-list .filterbar__wrap.card {
		background: transparent;
		box-shadow: none;
	}

	.activity-card-list .filterbar__label {
		margin-left: 0;
	}
}

.activity-card-list__date-group-date {
	font-weight: 600;
	font-size: $font-body;
	line-height: 23px;
	border-bottom: 1px solid #000;
}

// draw vertical lines through each date "group"
.activity-card-list__date-group-content {
	position: relative;

	&::before {
		background: var(--color-neutral-5);
		content: "";
		height: 100%;
		// center on the icons ( they render @ 16px, so half that )
		left: 8px;
		position: absolute;
		top: 0;
		width: 1px;
		z-index: -2;
	}
}

// make sure the vertical lines don't appear through the transparent backgrounds of the icons
.activity-card-list {
	.filterbar {
		margin-bottom: 2rem;
	}
	.activity-card {
		position: relative;
		margin-bottom: 32px;
		.activity-card__time {
			background: var(--color-surface-backdrop);
		}
	}
}

// primary cards get primary card emphasis on the left
.activity-card-list__primary-card,
.activity-card-list__primary-card-with-more {
	> .card {
		padding-left: 12px; // reduce standard 16px padding by 4
		border-left: 4px solid var(--color-primary-40);
	}
}

.activity-card-list__primary-card-with-more {
	// draw vertical line after the card
	&::before {
		background: var(--color-neutral-5);
		content: "";
		height: 16px;
		// center on the icons ( they render @ 1.1rem, so half that )
		left: 8px;
		position: absolute;
		top: 100%;
		width: 1px;
		z-index: -2;
	}
	// draw ball on the end of the line
	&::after {
		background: var(--color-neutral-5);
		content: "";
		// make sure we stay in our element
		height: 9px;
		width: 9px;
		left: calc(8px - 4px);
		position: absolute;
		// immediately after the existing horizontal line draw on over the top of it
		top: calc(100% + 16px);
		visibility: visible;
		z-index: -1;
		border-radius: 50%;
	}
}

// work happens in the secondary cards
.activity-card-list__secondary-card,
.activity-card-list__secondary-card-with-more {
	// this brings in the right side, otherwise the translated elements would look the same
	// 32px to adjust for the scooch, 16px to make the card shorted than the primary one
	width: calc(100% - 32px - 16px);

	// scooch secondary card elements over
	> .activity-card__header,
	> .card {
		transform: translateX(32px);
	}

	> .card {
		// this draws the horizontal line
		&::before {
			// same as the left on the vertical line above
			background: var(--color-neutral-5);
			content: "";
			height: 1px;
			left: calc(8px - 32px);
			position: absolute;
			top: 50%;
			width: calc(32px - 8px);
			z-index: -2;
		}
	}
}

.activity-card-list__secondary-card {
	// draw over the line that goes off the screen on the last card
	&:last-of-type {
		> .card {
			&::after {
				background: var(--color-surface-backdrop);
				content: "";
				// make sure we stay in our element
				height: calc(50% - 1px);
				left: calc(8px - 32px);
				position: absolute;
				// immediately after the existing horizontal line draw on over the top of it
				top: calc(50% + 1px);
				visibility: visible;
				width: 1px;
				z-index: -1;
			}
		}
	}
}

.activity-card-list__secondary-card-with-more {
	// a tiny circle at the end of the line, indicating there is more on the next pagination
	&:last-of-type {
		> .card {
			&::after {
				background: var(--color-neutral-5);
				content: "";
				// make sure we stay in our element
				height: 9px;
				width: 9px;
				left: calc(8px - 32px - 4px);
				position: absolute;
				// immediately after the existing horizontal line draw on over the top of it
				top: calc(100% - 9px);
				visibility: visible;
				z-index: -1;
				border-radius: 50%;
			}
		}
	}
}

.activity-card-list__loading-placeholder {
	.filterbar {
		@include placeholder( --color-neutral-10 );
		height: 51px;
		margin-bottom: 2rem;
	}

	.activity-card-list__pagination-top,
	.activity-card-list__pagination-bottom {
		@include placeholder( --color-neutral-10 );
		height: 34px;
		width: 50%;
		margin: 0 auto;

		&.is-compact {
			height: 28px;
		}
	}

	.activity-card-list__date-group-date {
		span {
			@include placeholder( --color-neutral-10 );
			font-weight: 600;
			font-size: 1rem;
			line-height: 23px;
		}
	}

	.activity-card-list__date-group-content::before {
		background: transparent;
	}

	.activity-card__time-text {
		@include placeholder( --color-neutral-10 );
	}

	.activity-card {
		margin-bottom: 32px;
	}

	.card {
		@include placeholder( --color-neutral-10 );
		height: 102px;
		border-left: initial;

		&::before {
			background: transparent;
		}
	}
}