title: Remove all padding and margin table HTML and CSS
body: <p>I have this table : </p>
  
  <pre><code>&lt;body&gt;
      &lt;table id="page" &gt;
          &lt;tr id="header" &gt;
              &lt;td colspan="2" id="tdheader" &gt;je suis&lt;/td&gt;
          &lt;/tr&gt;
          &lt;tr&gt;
              &lt;td&gt;1&lt;/td&gt;
              &lt;td&gt;2&lt;/td&gt;
          &lt;/tr&gt;
      &lt;/table&gt;
  &lt;/body&gt;
  </code></pre>
  
  <p>and here is the css</p>
  
  <pre><code>html, body, #page {
      height:100%;
      width:100%;
      margin:0;
      padding:0;
  }
  
  #header {
      margin:0;
      padding:0;
      height:20px;
      background-color:green;
  }
  </code></pre>
  
  <p>and I want to remove all margin and padding but always I have that : </p>
  
  <p><img src="https://i.stack.imgur.com/nS0Ud.png" alt="enter image description here"></p>
  
  <p>How can I resolve this?</p>