.clearfix
	zoom: 1
	&:before
		content: ''
		display: block

	&:after
		content: ''
		display: table
		clear: both
.noselect
	-webkit-touch-callout: none /* iOS Safari */
	-webkit-user-select: none /* Safari */
	-khtml-user-select: none /* Konqueror HTML */
	-moz-user-select: none /* Old versions of Firefox */
	-ms-user-select: none /* Internet Explorer/Edge */
	user-select: none /* Non-prefixed version, currently supported by Chrome, Edge, Opera and Firefox */