<section>
  <button>toggle image size</button>
  <div class="user">
    <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/652/ada-small.jpeg">
    <h3>Ada Lovelace</h3>
    <a href="#">Account</a>
    <a href="#">Change Password</a>
    <a href="#">Log Out</a>
  </div>
</section>

body {
  background-color: #1D1F1F;
  font-family: 'Source Sans Pro', sans-serif;
}

section {
width: 400px;
margin: 0 auto; 
}

.user {
  width: 400px;
  height: 165px;
  margin: 2em 0;
  border: 3px solid #E18728;
  border-radius: 10px;
  background-color: white;
}

img {
  padding: .5em;
  float: left;
}

a { display: block; }

$('button').on('click', function() {
  if ($('img').attr('src').indexOf('wide') > -1) {
    $('img').attr('src', 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/652/ada-small.jpeg');
  } else {
    $('img').attr('src', 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/652/ada-wide.jpeg');
  }
});