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A collection of useful web mixins.less

What are less mixins?

One of the best features of any CSS preprocessor is the ability to create mixins, which allow you to tie a bunch of properties and customisable values all into one nice little package.

Here’s an example:


/* Mixin */
.box-shadow (@x: 0px, @y: 3px, @blur: 5px, @color: #333) {
  -webkit-box-shadow: @x @y @blur rgba(0, 0, 0, @color);
  -moz-box-shadow: @x @y @blur rgba(0, 0, 0, @color);
  box-shadow: @x @y @blur rgba(0, 0, 0, @color);
}

/* Mixin */
.box-shadow (@x: 0px, @y: 3px, @blur: 5px, @color: #333) {
  -webkit-box-shadow: @x @y @blur rgba(0, 0, 0, @color);
  -moz-box-shadow: @x @y @blur rgba(0, 0, 0, @color);
  box-shadow: @x @y @blur rgba(0, 0, 0, @color);
}

This takes all of the box-shadow code and wraps it up nicely into a single mixin that can be implemented with custom values (or the defaults that we used above). Now, instead of writing a huge chunk of code every time you want a box-shadow, this is all you need:


/* Implementation */
.somediv {
  .box-shadow(5px, 5px, 6px, #eee);
}

/* Implementation */
.somediv {
  .box-shadow(5px, 5px, 6px, #eee);
}

Pretty awesome right? When this code is compiled, it’ll spit out as plain old CSS. You get a much more readable and easily updatable code base without sacrificing browser compatibility.

Here is a collection of great less mixins:-


.text-shadow (@string: 0 1px 3px rgba(0, 0, 0, 0.25)) {
	text-shadow: @string;
}
.box-shadow (@string) {
	-webkit-box-shadow: @string;
	-moz-box-shadow:    @string;
	box-shadow:         @string;
}
.drop-shadow (@x: 0, @y: 1px, @blur: 2px, @spread: 0, @alpha: 0.25) {
	-webkit-box-shadow:	@x @y @blur @spread rgba(0, 0, 0, @alpha);
	-moz-box-shadow:	@x @y @blur @spread rgba(0, 0, 0, @alpha);
	box-shadow:		@x @y @blur @spread rgba(0, 0, 0, @alpha);
}
.inner-shadow (@x: 0, @y: 1px, @blur: 2px, @spread: 0, @alpha: 0.25) {
	-webkit-box-shadow: inset @x @y @blur @spread rgba(0, 0, 0, @alpha);
	-moz-box-shadow:    inset @x @y @blur @spread rgba(0, 0, 0, @alpha);
	box-shadow:         inset @x @y @blur @spread rgba(0, 0, 0, @alpha);
}

.box-sizing (@type: border-box) {
	-webkit-box-sizing: @type;
	-moz-box-sizing:    @type;
	box-sizing:         @type;
}

.border-radius (@radius: 5px) {
	-webkit-border-radius: @radius;
	-moz-border-radius:    @radius;
	border-radius:         @radius;

	-moz-background-clip:    padding;
	-webkit-background-clip: padding-box;
	background-clip:         padding-box;
}
.border-radiuses (@topright: 0, @bottomright: 0, @bottomleft: 0, @topleft: 0) {
	-webkit-border-top-right-radius:    @topright;
	-webkit-border-bottom-right-radius: @bottomright;
	-webkit-border-bottom-left-radius:  @bottomleft;
	-webkit-border-top-left-radius:     @topleft;

	-moz-border-radius-topright:        @topright;
	-moz-border-radius-bottomright:     @bottomright;
	-moz-border-radius-bottomleft:      @bottomleft;
	-moz-border-radius-topleft:         @topleft;

	border-top-right-radius:            @topright;
	border-bottom-right-radius:         @bottomright;
	border-bottom-left-radius:          @bottomleft;
	border-top-left-radius:             @topleft;

	-moz-background-clip:    padding; 
	-webkit-background-clip: padding-box; 
	background-clip:         padding-box; 
}

.opacity (@opacity: 0.5) {
	-webkit-opacity: 	@opacity;
	-moz-opacity: 		@opacity;
	opacity: 		@opacity;
}

.gradient (@startColor: #eee, @endColor: white) {
	background-color: @startColor;
	background: -webkit-gradient(linear, left top, left bottom, from(@startColor), to(@endColor));
	background: -webkit-linear-gradient(top, @startColor, @endColor);
	background: -moz-linear-gradient(top, @startColor, @endColor);
	background: -ms-linear-gradient(top, @startColor, @endColor);
	background: -o-linear-gradient(top, @startColor, @endColor);
}
.horizontal-gradient (@startColor: #eee, @endColor: white) {
 	background-color: @startColor;
	background-image: -webkit-gradient(linear, left top, right top, from(@startColor), to(@endColor));
	background-image: -webkit-linear-gradient(left, @startColor, @endColor);
	background-image: -moz-linear-gradient(left, @startColor, @endColor);
	background-image: -ms-linear-gradient(left, @startColor, @endColor);
	background-image: -o-linear-gradient(left, @startColor, @endColor);
}

.animation (@name, @duration: 300ms, @delay: 0, @ease: ease) {
	-webkit-animation: @name @duration @delay @ease;
	-moz-animation:    @name @duration @delay @ease;
	-ms-animation:     @name @duration @delay @ease;
}

.transition (@transition) {
	-webkit-transition: @transition;  
	-moz-transition:    @transition;
	-ms-transition:     @transition; 
	-o-transition:      @transition;  
}
.transform(@string){
	-webkit-transform: @string;
	-moz-transform: 	 @string;
	-ms-transform: 		 @string;
	-o-transform: 		 @string;
}
.scale (@factor) {
	-webkit-transform: scale(@factor);
	-moz-transform: 	 scale(@factor);
	-ms-transform: 		 scale(@factor);
	-o-transform: 		 scale(@factor);
}
.rotate (@deg) {
	-webkit-transform: rotate(@deg);
	-moz-transform: 	 rotate(@deg);
	-ms-transform: 		 rotate(@deg);
	-o-transform: 		 rotate(@deg);
}
.skew (@deg, @deg2) {
	-webkit-transform:       skew(@deg, @deg2);
	-moz-transform: 	 skew(@deg, @deg2);
	-ms-transform: 		 skew(@deg, @deg2);
	-o-transform: 		 skew(@deg, @deg2);
}
.translate (@x, @y:0) {
	-webkit-transform:       translate(@x, @y);
	-moz-transform: 	 translate(@x, @y);
	-ms-transform: 		 translate(@x, @y);
	-o-transform: 		 translate(@x, @y);
}
.translate3d (@x, @y: 0, @z: 0) {
	-webkit-transform:       translate3d(@x, @y, @z);
	-moz-transform: 	 translate3d(@x, @y, @z);
	-ms-transform: 		 translate3d(@x, @y, @z);
	-o-transform: 		 translate3d(@x, @y, @z);
}
.perspective (@value: 1000) {
	-webkit-perspective: 	@value;
	-moz-perspective: 	@value;
	-ms-perspective: 	@value;
	perspective: 		@value;
}
.transform-origin (@x:center, @y:center) {
	-webkit-transform-origin: @x @y;
	-moz-transform-origin:    @x @y;
	-ms-transform-origin:     @x @y;
	-o-transform-origin:      @x @y;
}
Nathan da Silva - Profile

Posted by: Nathan da Silva

Nathan is the Founder of Silva Web Designs. He is passionate about web development, website design and basically anything digital related. His main expertise is with WordPress, Magento, Shopify as well as many other frameworks. Whether you need responsive design, SEO, speed optimisation or anything else in the world of digital then get in touch. If you would like to work with Nathan, simply drop him an email at [email protected]

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