//
// Retina Borders
// ------------------------------

// top

.retina-1px-border-top(@color) {
	position: relative;

	&:after {
		.size(100%,1px);
		background-color: @color;
		top: -1px;
		content: " ";
		left: 0;
		position: absolute;
	}
	
	// simulate a 1px border on retina screens
	@media (-webkit-min-device-pixel-ratio: 2) {
		&:after {
			.scaleY(0.5);
			.transform-origin(0 0);
		}
	}
}

// bottom

.retina-1px-border-bottom(@color) {
	position: relative;

	&:after {
		.size(100%,1px);
		background-color: @color;
		bottom: -1px;
		content: " ";
		left: 0;
		position: absolute;
	}
	
	// simulate a 1px border on retina screens
	@media (-webkit-min-device-pixel-ratio: 2) {
		&:after {
			.scaleY(0.5);
			.transform-origin(0 0);
		}
	}
}

// both

.retina-1px-border-top-and-bottom(@color) {
	position: relative;

	&:after,
	&:before {
		.size(100%,1px);
		background-color: @color;
		content: " ";
		left: 0;
		position: absolute;
	}
	&:before {
		top: -1px;
	}
	&:after {
		bottom: -1px;
	}

	// simulate a 1px border on retina screens
	@media (-webkit-min-device-pixel-ratio: 2) {
		&:after,
		&:before {
			.scaleY(0.5);
		}
		&:before {
			.transform-origin(0 bottom);
		}
		&:after {
			.transform-origin(0 top);
		}
	}
}