title: background or background color?
body: <p>What is this best practice to use that's most compatible across multiple browsers:</p>
  
  <pre><code>background:#ffffff;
  </code></pre>
  
  <p>or</p>
  
  <pre><code>background-color:#ffffff;
  </code></pre>
  
  <p>or is it best to use both to cover more:</p>
  
  <pre><code>background:#ffffff;
  background-color:#ffffff;
  </code></pre>