style.css

html {
      font-size: 10px;
    }
    body {
      background: #ffc600;
      font-family: 'helvetica neue';
      font-weight: 200;
      font-size: 20px;
    }
    .words {
      max-width: 500px;
      margin: 50px auto;
      background: white;
      border-radius: 5px;
      box-shadow: 10px 10px 0 rgba(0,0,0,0.1);
      padding: 1rem 2rem 1rem 5rem;
      background: -webkit-gradient(linear, 0 0, 0 100%, from(#d9eaf3), color-stop(4%, #fff)) 0 4px;
      background-size: 100% 3rem;
      position: relative;
      line-height: 3rem;
    }
    
    p {
      margin: 0 0 3rem;
    }
    .words:before {
      content: '';
      position: absolute;
      width: 4px;
      top: 0;
      left: 30px;
      bottom: 0;
      border: 1px solid;
      border-color: transparent #efe4e4;
    }