html, body {
  margin: 0;
}

html {
  font-size: 1em;
  line-height: 1.4;
  font-family: -apple-system, BlinkMacSystemFont, 
  "Segoe UI", "Roboto",
  "Helvetica Neue", Arial, sans-serif;
}

body {
  background-color: #333333;
  color: #eeeeee;
  display: flex;
  justify-content: center;
  min-height: 100vh;
}

::selection {
  background: #b3d4fc;
  text-shadow: none;
}

img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  image-rendering: pixelated;
  max-width: 100%;
  height: auto;
}

main {
  width: 100%;
  max-width: 768px;
  box-sizing: border-box;
  text-align: center;
  padding: 10px 2.6rem; 
  margin-top: auto;
  margin-bottom: auto;
}

a {
  color: orange;
}