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%;
}

.my-image {
    width: 100%;
}