html {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14pt;
    line-height: 1.3;
  }
  
  body {
    width: 800px;
    max-width: 90%;
    margin: 5rem auto;
  }
  
  article {
    margin: 5rem 0;
  }
  
  section {
    margin: 3rem 0;
  }
  
  h1, h2, h3, h4, h5, h6 {
    font-weight: normal;
  }
  
  article > h1 {
    font-weight: bold;
  }
  
  samp {
    display: block;
    margin: 1em 0;
  }
  
  code {
    color: steelblue;
    font-style: normal;
    font-weight: normal;
  }
  
  code.tag::before {
    content: "<";
  }
  
  code.tag::after {
    content: ">";
  }
  
  ol.instructions {
    background-color: #f2f2f2;
    padding: 1rem 1rem 1rem 2rem;
    color: #666666;
    font-style: italic;
    font-size: 0.8rem;
    line-height: 1.2;
  }
  
  ol.instructions > li {
    margin: 0.4rem 0;
  }
  
  ol.instructions > li:first-child { margin-top: 0; }
  ol.instructions > li:last-child { margin-bottom: 0; }
  
  figure {
    margin-left: 0;
    margin-right: 0;
    border: 1px solid gray;
  }
  
  figcaption {
    font-style: italic;
    text-align: center;
    margin-top: 0.5rem;
  }
  
  table {
    border-spacing: 0.5rem;
  }
  
  td {
    width: 25%;
    padding: 0;
    position: relative;
    font-size: 0.8rem;
  }
  
  td img {
    display: block;
    width: 100%;
    image-rendering: pixelated;
    background-color: gray;
  }
  
  td small {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    color: white;
  }
  
  td .na {
    padding: 1rem;
    color: gray;
    text-align: center;
  }
  
  .pros-cons td {
    vertical-align: top;
  }
  
  aside {
    padding: 1rem 2rem;
    color: white;
    background-color: gray;
    font-size: 0.8rem;
  }
  
  
  figure.compressed-image {
    border: 1px solid gray;
    padding: 1rem;
  }
  .full-screen {
    width: 100%;
  }
  .square {
    width: 280px; 
    height: 280px;
    object-fit: cover;
    object-position: left center;
  }
  .background-image-example {
    background-image: url(http://wudesign.me/resources/using-images/images/shelf-cloud-vertical.jpg);
    padding: 10% 5% 45% 40%;
    background-size: cover;
    background-position: center 20%;
  }
  .compressed-image {
    width: 100%;
  }