    /*
     * Main styles
     */
    :root {
      --text-color: #333;
    }

    body {
      color: var( --text-color );
      padding: 0 !important;
    }

    #container {
      padding: 2rem 2rem 4rem;
    }

    @media ( /* ( max-width: 900px ) */ max-width: 1200px ) {
      #toc {
         padding: 1rem;
      }
    }

    /*
     * Components
     */
    .button {
      display: inline-flex;
      padding: .3em 2em;
      border: 2px solid hsla( 0, 0%, 100%, .3 );
      border-radius: 10px;
      background: white;
      color: var( --text-color );
      text-align: center;
      /*
        font-family: Roboto, 'Avenir Next Pro', sans-serif;
        font-size: .9rem;
      */
      line-height: 1.5;
      text-transform: uppercase;
      transform: translate( 10px, 10px ) scaleY( .9 );
    }

    .button:hover {
      background: rgba( 255, 255, 0, .1 );
    }

    .button:active {
      outline: 2px solid hsla( 0, 0%, 100%, .6 );
    }

    .button::before {
      content: attr( data-title number, 0 );
    }

    @import 'components.css';