title: Button a:hover and background color
body: <p>I have a problem with my button. When I wish to click on my button, normally the color of the button which is "blue" should change of color in black.</p>
  
  <p>It seems my background color (black) is not whole???</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-css lang-css prettyprint-override"><code>.more-information{
   position:absolute;
   height: 33px;
   width: 158px;
   background-color: #005dbe;
     color: white;
     line-height: 33px;
     border:none;
   padding:7px 0 7px 0;
   border-radius:20px;
   text-transform: uppercase;
     text-align: center;
     font-weight: bold;
  }
  
  .more-information a{
    color: #f2f2f2;
    text-decoration: none;
    display: block;
    height: 100%;
    width: 100%;
  
  }
  
  .more-information a:hover{
    background-color: black;
    color: white;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div class="more-information"&gt;&lt;a href="#"&gt;Login&lt;/a&gt;&lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>