title: What is faster: more classes or unique class
body: <p>I use the 2 ways but I prefer the first due to reuse code. some prefer one or other. But I would like to know if the load in big stylized pages is better in one way than the other.</p>
  
  <p>1)</p>
  
  <pre><code>&lt;style&gt;
    .red{ color:red}
    .right25{ margin-right: 25px}
    .bold{ font-weight:bold}
  &lt;/style&gt;
  
  &lt;p class="red right25 bold"&gt;this is a red text, bold and right margin 25px&lt;/p&gt;
  </code></pre>
  
  <p><br></p>
  
  <p>2)  </p>
  
  <pre><code>&lt;style&gt;
    .class1{ color:red; margin-right: 25px; font-weight:bold}
  &lt;/style&gt;
  
  &lt;p class="class1"&gt;this is a red text, bold and right margin 25px&lt;/p&gt;
  </code></pre>