<style>
  body {
    min-width: 520px;
  }
  .column {
    width: 300px;
    float: left;
    padding-bottom: 100px;
  }
  .widget {
    margin: 0 1em 1em 0;
    padding: 0.3em;
  }
  .widget-header {
    padding: 0.2em 0.3em;
    margin-bottom: 0.5em;
    position: relative;
  }
  .widget-toggle {
    position: absolute;
    top: 50%;
    right: 0;
    margin-top: -8px;
  }
  .widget-content {
    padding: 0.4em;
  }
  .widget-placeholder {
    border: 1px dotted black;
    margin: 0 1em 1em 0;
    height: 50px;
  }
</style>
