wp-calypso/packages/help-center/src/components/help-center-chat-history.scss

.help-center-chat-history {

	[role="tablist"] {
		border-bottom: 1px solid;
		border-color: rgba(0, 0, 0, 0.1);
	}

	.help-center-chat-history__conversation-card {
		display: flex;
		flex-direction: column;
		padding: 16px;

		& > * {
			display: flex;
			gap: 8px;
		}

		.help-center-chat-history__conversation-avatar {
			width: 32px;
			height: 32px;
			align-self: center;
			flex-shrink: 0;

			img {
				border-radius: 50%;
			}
		}

		.help-center-chat-history__conversation-information {
			.help-center-chat-history__conversation-sub-information {
				font-size: 0.75rem;
			}
		}

		.help-center-chat-history__open-conversation {
			display: flex;
			align-items: center;
			margin-left: auto;
		}
	}
}