* {
        padding: 0; margin: 0;
        box-sizing: border-box;
      }
      body {
        font-size: 100%;
        font-family: 'Helvetica', sans-serif;
        padding-top: 2em;
        padding-bottom: 1em;
      }
      a img {
          border: 0;
      }
      small {
        font-size: 0.8em;
      }
      .abs-top-right {
        position: absolute;
        top: 0;
        right: 0;
      }
      .center-wrapper {
        text-align: center;
      }
      .main-header {
        padding: 0 0.5em;
      }
        .main-title {
          font-family: 'Gill sans', sans-serif;
          margin-bottom: 4px;
        }
        .main-info {
          color: #606060;
        }
        .main-header-link {
          text-decoration: none;
          color: #999;
        }

      .svg-container {
        margin-bottom: 1em;
      }
      @media(min-width: 1000px){
        .svg-container {
          width: 1000px;
          margin-left: auto;
          margin-right: auto;
          margin-bottom: 2em;
        }
      }
      .padding-height {
        width: 100%;
        height: 0;
        padding-top: 40%;
        position: relative;
      }

      .vis {
        position: absolute;
        left: 0;
        top: 0;
        right: 0;
        bottom: 0;
        display: block;
        font-family: sans-serif;
        font-size: 1.6em;
      }
      @media(min-width: 500px){
        .vis {
          font-size: 1.3em;
        }
      }
      @media(min-width: 700px){
        .vis {
          font-size: 0.9em;
        }
      }
        .vis path {
          fill: none;
          stroke: steelblue;
          stroke-width: 4px;
        }

        .vis .axis {
          opacity: 0.6;
        }
          .vis .axis .tick {
            display: none;
          }

        .vis .domain-label {
          font-size: 0.9em;
          fill: steelblue;
        }


        .vis .overlay {
          fill: none;
          pointer-events: all;
        }
        .vis .focus {
          position: relative;
        }
          .vis .focus-text-background {
            fill: #333;
          }
            .vis .focus-text {
              font-size: 0.9em;
              fill: #eee;
            }

          .vis .focus circle {
            fill: none;
            stroke-width: 2.5px;
            stroke: #0c0;
          }

      .css-input {
        display: block;
        width: 96%;
        margin-left: 2%;
        height: 10em;
        margin-bottom: 2em;
      }
      @media(min-width: 1000px){
        .css-input {
          max-width: 1000px;
          margin-left: auto;
          margin-right: auto;
        }
      }
      @media(min-width: 600px){
          .mobile-focus-controls {
            display: none;
          }
        }

        button {
          display: inline-block;
          width: 50%;
          text-align: center;
          background: #e0e0e0;
          border: 0;
          border-right: 1px solid white;
          padding: 1em 0;
          margin-bottom: 1em;
        }
      .twitter-btn {
        display: block;
        margin-left: auto;
        margin-right: auto;
        width: 32px;
        text-align: center;
        margin-bottom: 3em;
        opacity: 0.8;
        transition: all 0.2s ease-out;
      }
        .twitter-btn:hover {
          opacity: 1;
        }
      .main-footer, .main-footer-link {
        color: #AAA;
      }
      .github-ribbon {
        max-width: 80px;
      }
      @media(min-width: 40px){
        .github-ribbon {
          max-width: 100px;
        }
      }
      @media(min-width: 800px){
        .github-ribbon {
          max-width: none;
        }
      }