fixes #4909: add color utility classes .text-warning, etc and document them

docs/assets/css/bootstrap.css

@@ -609,6 +609,22 @@ cite {
   color: #999999;
 }
 
+.text-warning {
+  color: #c09853;
+}
+
+.text-error {
+  color: #b94a48;
+}
+
+.text-info {
+  color: #3a87ad;
+}
+
+.text-success {
+  color: #468847;
+}
+
 h1,
 h2,
 h3,

docs/base-css.html

@@ -154,14 +154,14 @@
 </p>
 </pre>
 
-          <h3><code>&lt;strong&gt;</code></h3>
+          <h3>Bold</h3>
           <p>For emphasizing a snippet of text with <strong>important</strong></p>
           <div class="bs-docs-example">
             <p>The following snippet of text is <strong>rendered as bold text</strong>.</p>
           </div>
           <pre class="prettyprint">&lt;strong&gt;rendered as bold text&lt;/strong&gt;</pre>
 
-          <h3><code>&lt;em&gt;</code></h3>
+          <h3>Italics</h3>
           <p>For emphasizing a snippet of text with <em>stress</em></p>
           <div class="bs-docs-example">
             <p>The following snippet of text is <em>rendered as italicized text</em>.</p>
@@ -170,6 +170,23 @@
 
           <p><span class="label label-info">Heads up!</span> Feel free to use <code>&lt;b&gt;</code> and <code>&lt;i&gt;</code> in HTML5. <code>&lt;b&gt;</code> is meant to highlight words or phrases without conveying additional importance while <code>&lt;i&gt;</code> is mostly for voice, technical terms, etc.</p>
 
+          <h3>Emphasis classes</h3>
+          <p>Convey meaning through color with a handful of emphasis utility classes.</p>
+          <div class="bs-docs-example">
+            <p class="muted">Fusce dapibus, tellus ac cursus commodo, tortor mauris nibh.</p>
+            <p class="text-warning">Etiam porta sem malesuada magna mollis euismod.</p>
+            <p class="text-error">Donec ullamcorper nulla non metus auctor fringilla.</p>
+            <p class="text-info">Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis.</p>
+            <p class="text-success">Duis mollis, est non commodo luctus, nisi erat porttitor ligula.</p>
+          </div>
+<pre class="prettyprint linenums">
+&lt;p class="muted"&gt;Fusce dapibus, tellus ac cursus commodo, tortor mauris nibh.&lt;/p&gt;
+&lt;p class="text-warning"&gt;Etiam porta sem malesuada magna mollis euismod.&lt;/p&gt;
+&lt;p class="text-error"&gt;Donec ullamcorper nulla non metus auctor fringilla.&lt;/p&gt;
+&lt;p class="text-info"&gt;Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis.&lt;/p&gt;
+&lt;p class="text-success"&gt;Duis mollis, est non commodo luctus, nisi erat porttitor ligula.&lt;/p&gt;
+</pre>
+
 
           <hr class="bs-docs-separator">
 

docs/templates/pages/base-css.mustache

@@ -88,14 +88,14 @@
 </p>
 </pre>
 
-          <h3><code>&lt;strong&gt;</code></h3>
+          <h3>{{_i}}Bold{{/i}}</h3>
           <p>{{_i}}For emphasizing a snippet of text with <strong>important</strong>{{/i}}</p>
           <div class="bs-docs-example">
             <p>The following snippet of text is <strong>rendered as bold text</strong>.</p>
           </div>
           <pre class="prettyprint">&lt;strong&gt;rendered as bold text&lt;/strong&gt;</pre>
 
-          <h3><code>&lt;em&gt;</code></h3>
+          <h3>{{_i}}Italics{{/i}}</h3>
           <p>{{_i}}For emphasizing a snippet of text with <em>stress</em>{{/i}}</p>
           <div class="bs-docs-example">
             <p>The following snippet of text is <em>rendered as italicized text</em>.</p>
@@ -104,6 +104,23 @@
 
           <p><span class="label label-info">{{_i}}Heads up!{{/i}}</span> {{_i}}Feel free to use <code>&lt;b&gt;</code> and <code>&lt;i&gt;</code> in HTML5. <code>&lt;b&gt;</code> is meant to highlight words or phrases without conveying additional importance while <code>&lt;i&gt;</code> is mostly for voice, technical terms, etc.{{/i}}</p>
 
+          <h3>{{_i}}Emphasis classes{{/i}}</h3>
+          <p>{{_i}}Convey meaning through color with a handful of emphasis utility classes.{{/i}}</p>
+          <div class="bs-docs-example">
+            <p class="muted">Fusce dapibus, tellus ac cursus commodo, tortor mauris nibh.</p>
+            <p class="text-warning">Etiam porta sem malesuada magna mollis euismod.</p>
+            <p class="text-error">Donec ullamcorper nulla non metus auctor fringilla.</p>
+            <p class="text-info">Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis.</p>
+            <p class="text-success">Duis mollis, est non commodo luctus, nisi erat porttitor ligula.</p>
+          </div>
+<pre class="prettyprint linenums">
+&lt;p class="muted"&gt;Fusce dapibus, tellus ac cursus commodo, tortor mauris nibh.&lt;/p&gt;
+&lt;p class="text-warning"&gt;Etiam porta sem malesuada magna mollis euismod.&lt;/p&gt;
+&lt;p class="text-error"&gt;Donec ullamcorper nulla non metus auctor fringilla.&lt;/p&gt;
+&lt;p class="text-info"&gt;Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis.&lt;/p&gt;
+&lt;p class="text-success"&gt;Duis mollis, est non commodo luctus, nisi erat porttitor ligula.&lt;/p&gt;
+</pre>
+
 
           <hr class="bs-docs-separator">
 

less/type.less

@@ -32,9 +32,23 @@ em {
 cite {
   font-style: normal;
 }
+
+// Utility classes
 .muted {
   color: @grayLight;
 }
+.text-warning {
+  color: @warningText;
+}
+.text-error {
+  color: @errorText;
+}
+.text-info {
+  color: @infoText;
+}
+.text-success {
+  color: @successText;
+}
 
 
 // Headings