Panels

<div class="panel">
  <div class="header">Header</div>
  <div class="body">Body</div>
</div>

<div class="canvas panel">
  <div class="header">Header</div>
  <div class="body">Body</div>
</div>
<div class="secondary panel">
  <div class="header">Header</div>
  <div class="body">Body</div>
</div>
<div class="tertiary panel">
  <div class="header">Header</div>
  <div class="body">Body</div>
</div>
<div class="success panel">
  <div class="header">Header</div>
  <div class="body">Body</div>
</div>
<div class="danger panel">
  <div class="header">Header</div>
  <div class="body">Body</div>
</div>
<div class="Warning panel">
  <div class="header">Header</div>
  <div class="body">Body</div>
</div>
<div class="info panel">
  <div class="header">Header</div>
  <div class="body">Body</div>
</div>