title: Centering an image for responsive website
body: <p>So i am making a responsive design for a school assignment and i am trying to center an image width. </p>
  
  <p>i scaled the image in photoshop so i don't have to set any width or height to the image</p>
  
  <p>this is what i got now but this does not work</p>
  
  <p><code>&lt;header&gt;
       &lt;img src="afb%20/logo3.png" alt="logo3" width="" height="" /&gt;
  &lt;/header&gt;</code></p>
  
  <p><code>header{
      width: 100%;
      margin-left: auto;
      margin-right: auto;
          }</code></p>
  
  <p>Can someone help me out ? really need this !</p>
  
  <p>thanks in advance</p>