mdb-ui-kit/docs/4.0/utilities/spacing/index.html
Federico Zivolo 61919ac7d4 publish: docs: fixed script
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Spacing &middot; Bootstrap Material Design
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Browsers & devices
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Material Design
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Forms
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Jumbotron
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Scrollspy
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Tooltips
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<a class="bd-toc-link" href="/bootstrap-material-design/docs/4.0/utilities/borders/">
Utilities
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Borders
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Clearfix
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Colors
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Display
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Embed
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Flex
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Float
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Image replacement
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Position
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Screenreaders
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Sizing
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<a href="/bootstrap-material-design/docs/4.0/utilities/spacing/">
Spacing
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Text
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Vertical align
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Visibility
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<a class="bd-toc-link" href="/bootstrap-material-design/docs/4.0/extend/approach/">
Extend
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<a href="/bootstrap-material-design/docs/4.0/extend/approach/">
Approach
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Icons
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<a class="bd-toc-link" href="/bootstrap-material-design/docs/4.0/migration/">
Migration
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</ul>
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<a class="bd-toc-link" href="/bootstrap-material-design/docs/4.0/about/overview/">
About
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<li class="">
<a href="/bootstrap-material-design/docs/4.0/about/overview/">
Overview
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Brand
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License
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Translations
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<li class="toc-entry toc-h2"><a href="#how-it-works">How it works</a></li>
<li class="toc-entry toc-h2"><a href="#notation">Notation</a></li>
<li class="toc-entry toc-h2"><a href="#examples">Examples</a>
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<li class="toc-entry toc-h3"><a href="#horizontal-centering">Horizontal centering</a></li>
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</ul>
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<main class="col-12 col-md-9 col-xl-8 py-md-3 pl-md-5 bd-content" role="main">
<h1 class="bd-title" id="content">Spacing</h1>
<p class="bd-lead">Bootstrap includes a wide range of shorthand responsive margin and padding utility classes to modify an element's appearance.</p>
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<h2 id="how-it-works">How it works</h2>
<p>Assign responsive-friendly <code class="highlighter-rouge">margin</code> or <code class="highlighter-rouge">padding</code> values to an element or a subset of its sides with shorthand classes. Includes support for individual properties, all properties, and vertical and horizontal properties. Classes are built from a default Sass map ranging from <code class="highlighter-rouge">.25rem</code> to <code class="highlighter-rouge">3rem</code>.</p>
<h2 id="notation">Notation</h2>
<p>Spacing utilities that apply to all breakpoints, from <code class="highlighter-rouge">xs</code> to <code class="highlighter-rouge">xl</code>, have no breakpoint abbreviation in them. This is because those classes are applied from <code class="highlighter-rouge">min-width: 0</code> and up, and thus are not bound by a media query. The remaining breakpoints, however, do include a breakpoint abbreviation.</p>
<p>The classes are named using the format <code class="highlighter-rouge"><span class="p">{</span><span class="err">property</span><span class="p">}{</span><span class="err">sides</span><span class="p">}</span><span class="err">-</span><span class="p">{</span><span class="err">size</span><span class="p">}</span></code> for <code class="highlighter-rouge">xs</code> and <code class="highlighter-rouge"><span class="p">{</span><span class="err">property</span><span class="p">}{</span><span class="err">sides</span><span class="p">}</span><span class="err">-</span><span class="p">{</span><span class="err">breakpoint</span><span class="p">}</span><span class="err">-</span><span class="p">{</span><span class="err">size</span><span class="p">}</span></code> for <code class="highlighter-rouge">sm</code>, <code class="highlighter-rouge">md</code>, <code class="highlighter-rouge">lg</code>, and <code class="highlighter-rouge">xl</code>.</p>
<p>Where <em>property</em> is one of:</p>
<ul>
<li><code class="highlighter-rouge">m</code> - for classes that set <code class="highlighter-rouge">margin</code></li>
<li><code class="highlighter-rouge">p</code> - for classes that set <code class="highlighter-rouge">padding</code></li>
</ul>
<p>Where <em>sides</em> is one of:</p>
<ul>
<li><code class="highlighter-rouge">t</code> - for classes that set <code class="highlighter-rouge">margin-top</code> or <code class="highlighter-rouge">padding-top</code></li>
<li><code class="highlighter-rouge">b</code> - for classes that set <code class="highlighter-rouge">margin-bottom</code> or <code class="highlighter-rouge">padding-bottom</code></li>
<li><code class="highlighter-rouge">l</code> - for classes that set <code class="highlighter-rouge">margin-left</code> or <code class="highlighter-rouge">padding-left</code></li>
<li><code class="highlighter-rouge">r</code> - for classes that set <code class="highlighter-rouge">margin-right</code> or <code class="highlighter-rouge">padding-right</code></li>
<li><code class="highlighter-rouge">x</code> - for classes that set both <code class="highlighter-rouge">*-left</code> and <code class="highlighter-rouge">*-right</code></li>
<li><code class="highlighter-rouge">y</code> - for classes that set both <code class="highlighter-rouge">*-top</code> and <code class="highlighter-rouge">*-bottom</code></li>
<li>blank - for classes that set a <code class="highlighter-rouge">margin</code> or <code class="highlighter-rouge">padding</code> on all 4 sides of the element</li>
</ul>
<p>Where <em>size</em> is one of:</p>
<ul>
<li><code class="highlighter-rouge">0</code> - for classes that eliminate the <code class="highlighter-rouge">margin</code> or <code class="highlighter-rouge">padding</code> by setting it to <code class="highlighter-rouge">0</code></li>
<li><code class="highlighter-rouge">1</code> - (by default) for classes that set the <code class="highlighter-rouge">margin</code> or <code class="highlighter-rouge">padding</code> to <code class="highlighter-rouge">$spacer * .25</code></li>
<li><code class="highlighter-rouge">2</code> - (by default) for classes that set the <code class="highlighter-rouge">margin</code> or <code class="highlighter-rouge">padding</code> to <code class="highlighter-rouge">$spacer * .5</code></li>
<li><code class="highlighter-rouge">3</code> - (by default) for classes that set the <code class="highlighter-rouge">margin</code> or <code class="highlighter-rouge">padding</code> to <code class="highlighter-rouge">$spacer</code></li>
<li><code class="highlighter-rouge">4</code> - (by default) for classes that set the <code class="highlighter-rouge">margin</code> or <code class="highlighter-rouge">padding</code> to <code class="highlighter-rouge">$spacer * 1.5</code></li>
<li><code class="highlighter-rouge">5</code> - (by default) for classes that set the <code class="highlighter-rouge">margin</code> or <code class="highlighter-rouge">padding</code> to <code class="highlighter-rouge">$spacer * 3</code></li>
<li><code class="highlighter-rouge">auto</code> - for classes that set the <code class="highlighter-rouge">margin</code> to auto</li>
</ul>
<p>(You can add more sizes by adding entries to the <code class="highlighter-rouge">$spacers</code> Sass map variable.)</p>
<h2 id="examples">Examples</h2>
<p>Here are some representative examples of these classes:</p>
<figure class="highlight"><pre><code class="language-scss" data-lang="scss"><span class="nc">.mt-0</span> <span class="p">{</span>
<span class="nl">margin-top</span><span class="p">:</span> <span class="m">0</span> <span class="o">!</span><span class="n">important</span><span class="p">;</span>
<span class="p">}</span>
<span class="nc">.ml-1</span> <span class="p">{</span>
<span class="nl">margin-left</span><span class="p">:</span> <span class="p">(</span><span class="nv">$spacer</span> <span class="o">*</span> <span class="mi">.25</span><span class="p">)</span> <span class="o">!</span><span class="n">important</span><span class="p">;</span>
<span class="p">}</span>
<span class="nc">.px-2</span> <span class="p">{</span>
<span class="nl">padding-left</span><span class="p">:</span> <span class="p">(</span><span class="nv">$spacer</span> <span class="o">*</span> <span class="mi">.5</span><span class="p">)</span> <span class="o">!</span><span class="n">important</span><span class="p">;</span>
<span class="nl">padding-right</span><span class="p">:</span> <span class="p">(</span><span class="nv">$spacer</span> <span class="o">*</span> <span class="mi">.5</span><span class="p">)</span> <span class="o">!</span><span class="n">important</span><span class="p">;</span>
<span class="p">}</span>
<span class="nc">.p-3</span> <span class="p">{</span>
<span class="nl">padding</span><span class="p">:</span> <span class="nv">$spacer</span> <span class="o">!</span><span class="n">important</span><span class="p">;</span>
<span class="p">}</span></code></pre></figure>
<h3 id="horizontal-centering">Horizontal centering</h3>
<p>Additionally, Bootstrap also includes an <code class="highlighter-rouge">.mx-auto</code> class for horizontally centering fixed-width block level content—that is, content that has <code class="highlighter-rouge">display: block</code> and a <code class="highlighter-rouge">width</code> set—by setting the horizontal margins to <code class="highlighter-rouge">auto</code>.</p>
<div class="bd-example">
<div class="mx-auto" style="width: 200px; background-color: rgba(86,61,124,.15);">
Centered element
</div>
</div>
<figure class="highlight"><pre><code class="language-html" data-lang="html"><span class="nt">&lt;div</span> <span class="na">class=</span><span class="s">"mx-auto"</span> <span class="na">style=</span><span class="s">"width: 200px;"</span><span class="nt">&gt;</span>
Centered element
<span class="nt">&lt;/div&gt;</span></code></pre></figure>
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