themes-wordpress/seedlet/assets/sass/abstracts/_mixins.scss

// Responsive breakpoints mixin
@mixin add_variables( $view: frontend ) {

	@if frontend == $view {
		:root {
			@content;
		}
	}

	@if editor == $view {
		:root, body {
			@content;
		}
	}
}

// Crop Text Boundry
// - Sets a fixed-width on content within alignwide and alignfull blocks
@mixin crop-text($inset-line-height: 1) {

	line-height: $inset-line-height;
	$offset-top: calc(.5em * #{$inset-line-height} + -.38);
	$offset-bottom: calc(.5em * #{$inset-line-height} + -.39);

	&:before,
	&:after {
		content: '';
		display: block;
		height: 0;
		width: 0;
	}

	&:before {
		margin-bottom: -($offset-top);
	}

	&:after {
		margin-top: -($offset-bottom);
	}
}

/**
 * Required Variables
 */
 $default_width: 620px;
 $alignwide_width: 790px;
 $breakpoint_sm: 482px;
 $breakpoint_md: 592px;
 $breakpoint_lg: 652px;
 $breakpoint_xl: 822px;
 $breakpoint_xxl: 1024px;

 // Responsive breakpoints mixin
 @mixin media( $res ) {

	 @if mobile-only == $res {
		 @media only screen and (max-width: #{$breakpoint_sm - 1}) {
			 @content;
		 }
	 }

	 @if mobile == $res {
		 @media only screen and (min-width: #{$breakpoint_sm}) {
			 @content;
		 }
	 }

	 @if tablet-only == $res {
		 @media only screen and (max-width: #{$breakpoint_md - 1}) {
			 @content;
		 }
	 }

	 @if tablet == $res {
		 @media only screen and (min-width: #{$breakpoint_md}) {
			 @content;
		 }
	 }

	 @if laptop-only == $res {
		 @media only screen and (max-width: #{$breakpoint_lg - 1}) {
			 @content;
		 }
	 }

	 @if laptop == $res {
		 @media only screen and (min-width: #{$breakpoint_lg}) {
			 @content;
		 }
	 }

	 @if desktop-only == $res {
		 @media only screen and (max-width: #{$breakpoint_xl - 1}) {
			 @content;
		 }
	 }

	 @if desktop == $res {
		 @media only screen and (min-width: #{$breakpoint_xl}) {
			 @content;
		 }
	 }

	 @if wide-only == $res {
		 @media only screen and (max-width: #{$breakpoint_xxl - 1}) {
			 @content;
		 }
	 }

	 @if wide == $res {
		 @media only screen and (min-width: #{$breakpoint_xxl}) {
			 @content;
		 }
	 }
 }