body {
    font: 14pt Open Sans;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
  }
  
  .main {
    position: absolute;
    left: 0;
    top: 0;
    right: 20em;
    bottom: 0;
    z-index: 1;
  }
  
  .tools {
    box-sizing: border-box;
    padding: 0.25em 0.5em;
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 20em;
    background: #fff;
    border-left: 1px solid #ddd;
    z-index: 1;
    overflow: auto;
  }
  
  .footer-link {
    position: absolute;
    left: 0;
    bottom: 0;
    margin: 0.25em 0.5em;
    z-index: 2;
  }
  
  .action-icon {
    cursor: pointer;
  }
  
  h1 {
    margin: 0 0.125em;
    position: absolute;
    pointer-events: none;
    color: #bbb;
  }
  
  * + h2 {
    margin-top: 0.5em;
  }