jkosixtyfour

<div class="main">
  <h1 id="level" class="animated fadeIn">Battery level: 00%</h1>
  <div class="progress">
    <div class="progress-bar" style="width: 0%">
    </div>
  </div>
  <a href="http://caniuse.com/#feat=battery-status" class="btn btn-raised btn-primary" target="_blank">Browser compatibility</a>
</div>

jkosixtyfour

a {
    color: #025;
}
.header-button {
    cursor: pointer;
    color: white;
    font-weight: bold;
    font-size: 14px;
    padding: 7px 35px;
    border-radius: 5px 5px 0 0;