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              <div class="o-container">
	<section>
		<h1 class="c-title  u-a-c">
			<span class="c-dis-b u-scalable-1">
				Scalable Text in CSS
			</span>
			<span class="c-dis-b u-scalable-2">
				with Maximum Sizes
			</span>
			<span class="c-dis-b u-scalable-3">
				and Minimum Sizes
			</span>
		</h1>
		<p class="u-scalable-4  u-a-c">
			Scale <code>font-size</code> property based on viewport width using only CSS. The following CSS units will work: <code>em</code>, <code>rem</code>, <code>px</code>, <code>ch</code>, <code>cm</code>, <code>mm</code>, <code>in</code>, <code>pt</code>, <code>pc</code>.
		</p>
	</section>
	
	<hr />
	
	<section>
		<h2 class="u-scalable-3">
			MIXINS
		</h2>
		<p class="u-scalable-4">
			Mixins have up to four values that need to be passed:
		</p>
		<ul class="u-scalable-4">
			<li>
				<b class="c-code">context-width</b>: The identified width that is used as the scaling point.
			</li>
			<li>
				<b class="c-code">base-font-size</b>: The base <code>font-size</code>. When the viewport is equal to <span class="c-code">context-width</span>'s width, the calculated font-size will be equal to <span class="c-code">base-font-size</span>. <span class="c-code">base-font-size</span> has to be a smaller value than <span class="c-code">limit-font-size-max</span> and has to be a larger value than <span class="c-code">limit-font-size-min</span>.
			</li>
			<li>
				<b class="c-code">limit-font-size-min</b>: The minimal size that is intended for <code>font-size</code>. The scaling effect will not allow the font to be smaller than the <span class="c-code">limit-font-size-min</span>. <span class="c-code">limit-font-size-min</span> has to be a smaller value than <span class="c-code">base-font-size</span>.
			</li>
			<li>
				<b class="c-code">limit-font-size-max</b>: The maximum size that is intended for <code>font-size</code>. The scaling effect will not allow the font to be larger than the <span class="c-code">limit-font-size-max</span>.  <span class="c-code">limit-font-size-max</span> has to be a larger value than <span class="c-code">base-font-size</span>.
			</li>
		</ul>
		<p>
			<b>Note</b>: All values need to be the same unit type.
		</p>
		<article>
			<h3 class="u-scalable-3">
				<span class="c-code">scaleFont()</span>
			</h3>
			<p class="u-scalable-4">
				Scales font &quot;up&quot; as browser gets wider with a maximum set <code>font-size</code> and scales font &quot;down&quot; as browser gets thinner with a minimum set <code>font-size</code>.
			</p>
			<p class="u-scalable-4">
				<code>
					@include scaleFont(context-width, base-font-size, limit-font-size-min, limit-font-size-max);
				</code>
			</p>
<pre class="u-scalable-4">
.selector-name { // apply to any selector

	@include scaleFont(62.5rem, 4rem, 1.875rem, 6.25rem);
	// 4 required arguments*:
	// 62.5rem: context-width
	// 4rem: base-font-size
	// 1.875rem: limit-font-size-min
	// 6.25rem: limit-font-size-max
	// *All values need to be the same unit type
}</pre>
		</article>
		<article>
			<h3 class="u-scalable-3">
				<span class="c-code">scaleFontUp()</span>
			</h3>
			<p class="u-scalable-4">
				Scales font &quot;up&quot; as browser gets wider with a maximum set <code>font-size</code>.
			</p>
			<p class="u-scalable-4">
				<code>
					@include scaleFontUp(context-width, base-font-size, limit-font-size-max);
				</code>
			</p>
<pre class="u-scalable-4">
.selector-name { // apply to any selector

	@include scaleFontUp(62.5rem, 4rem, 6.25rem);
	// 3 required arguments*:
	// 62.5rem: context-width
	// 4rem: base-font-size
	// 6.25rem: limit-font-size-max
	// *All values need to be the same unit type
}</pre>
		</article>
		<article>
			<h3 class="u-scalable-3">
				<span class="c-code">scaleFontDown()</span>
			</h3>
			<p class="u-scalable-4">
				Scales font &quot;down&quot; as browser gets thinner with a minimum set <code>font-size</code>.
			</p>
			<p class="u-scalable-4">
				<code>
					@include scaleFontDown(context-width, base-font-size, limit-font-size-min);
				</code>
			</p>
<pre class="u-scalable-4">
.selector-name { // apply to any selector

	@include scaleFontDown(62.5rem, 4rem,  1.875rem);
	// 3 required arguments*:
	// 62.5rem: context-width
	// 4rem: base-font-size
	// 1.875rem: limit-font-size-min
	// *All values need to be the same unit type
}</pre>
		</article>
	</section>
</div>
            
          
!
            
              /*! * [Scalable Text in CSS with Maximum and Minimum Sizes](https://github.com/kevinmack18/SCALABLE-TEXT-IN-CSS) */
 // * Github: https://github.com/kevinmack18/SCALABLE-TEXT-IN-CSS
 // * Released under the MIT license
 // * https://github.com/kevinmack18/SCALABLE-TEXT-IN-CSS/blob/master/LICENSE
 // * Version: v1.0.1
 // * Date: 2016-01-11

@mixin calcScalableFont($context-width, $base-font-size, $limit-font-size, $scale) {
	$scaleFactor: if(($scale == down), true, false); // determine direction of scale
	$scaleBoth: if(($scaleFactor == false and $scale != up), true, false); // scales "up and down"
	$limit-font-size-min: if($scaleBoth, $scale, false); // only if using "up and down" scale
	$max-width: ($limit-font-size / ($base-font-size / $context-width)); // width to calculate scaling
	$min-width: if(($limit-font-size-min), ($limit-font-size-min / ($base-font-size / $context-width)), $max-width);
	
	@media screen and (if($scaleFactor, min-width, max-width): $context-width) {
		@if ($scaleBoth) {	
			@media screen and (max-width: $min-width)  {
				font-size: $limit-font-size-min;
			}		
		} @else {
			font-size: $base-font-size;
		}
	}
	
	@if ($scaleBoth) {
		@media screen and (if($scaleFactor, max-width, min-width): $context-width) and (min-width: $min-width), screen and (if($scaleFactor, min-width, max-width): $context-width) and (min-width: $min-width) { 
			font-size: (($base-font-size / $context-width) * 100)#{vw};
		}
	}

	@media screen and (if($scaleFactor, max-width, min-width): $context-width) {
		@if ($scaleBoth == false) {
			@media screen and (if($scaleFactor, min-width, max-width): $max-width)  { 
				font-size: (($base-font-size / $context-width) * 100)#{vw};
			}
		}
		@media screen and (if($scaleFactor, max-width, min-width): $max-width) {
			font-size: $limit-font-size; // don't go below 16px!
		}
	}
}

@mixin scaleFont($context-width, $base-font-size, $limit-font-size-min, $limit-font-size-max) {
	@include calcScalableFont($context-width, $base-font-size, $limit-font-size-max, $limit-font-size-min);
}

@mixin scaleFontUp($context-width, $base-font-size, $limit-font-size) {
	@include calcScalableFont($context-width, $base-font-size, $limit-font-size, up);
}

@mixin scaleFontDown($context-width, $base-font-size, $limit-font-size) {
	@include calcScalableFont($context-width, $base-font-size, $limit-font-size, down);
}




// DEMOS:
.u-scalable-1 {
	@include scaleFont(77.5rem, 4rem, 1.875rem, 6.250rem);
}

.u-scalable-2 {
	@include scaleFontUp(77.5rem, 3rem, 3.75rem);
}

.u-scalable-3 {
	@include scaleFontDown(77.5rem, 3rem, 1.125rem);
}

.u-scalable-4 {
	@include scaleFontDown(77.5rem, 1.375rem, 1rem);
}

            
          
!
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