locomotive-boilerplate/assets/styles/tools/_mixins.scss

// ==========================================================================
// Mixins
// ==========================================================================
@mixin vertical-center {
	font-size: 0;

	&:before {
		display: inline-block;
		height: 100%;
		content: "";
		vertical-align: middle;
	}

	> * {
		display: inline-block;
		vertical-align: middle;
		font-size: 1rem;
	}
}

// Micro clearfix, as per {@link css-101.org/articles/clearfix/latest-new-clearfix-so-far.php CSS Mojo}
//
// @see inuitcss/generic.clearfix
@mixin clearfix {
	&:after {
		display: table;
		clear: both;
		content: "";
	}
}

@mixin list-reset {
	margin: 0;
	padding: 0;
	list-style: none;
}

@mixin tap-highlight-color {
	-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

@mixin overflow-scrolling {
	-webkit-overflow-scrolling: touch;
}