title: how to center a character in a css3 div with rounded borders
body: <p>Hey I hope you can help me. I am trying to center a number in a css3-div. I am using this:</p>
  
  <pre><code>border:2px solid #333333;  
  padding:1px;  
  -moz-border-radius:10px;  
  -webkit-border-radius:10px;  
  -o-border-radius:10px;  
  -khtml-border-radius:10px;  
  border-radius:10px;  
  background-color: #fff;  
  height: 25px;  
  width: 25px;
  </code></pre>
  
  <p>and it gives me this:</p>
  
  <p><img src="https://i.stack.imgur.com/sW5IH.png" alt=""></p>
  
  <p>How do I center it also with a single-digit charachter?</p>
  
  <p>many thanks!</p>