wp-calypso/packages/components/src/external-link/style.scss

.external-link {
	.gridicons-external {
		color: currentColor;
		margin-left: 3px;
		margin-right: 0;
		top: 2px;
		position: relative;
	}

	&:hover {
		cursor: pointer;
	}
}

.icon-first {
	.gridicons-external {
		margin-left: 0;
		margin-right: 3px;
	}
}