:root {
  --textcolor: white;
  --linkcolor: aquamarine;
}
*,
*:before,
*:after {
  box-sizing: border-box;
}
html {
  background-color: black;
  text-align: center;
  color: var(--textcolor);
  height: 100%;
  width: 100%;
  margin: 0px;
  padding: 0px;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-weight: normal;
  font-size: 62.5%;
}
html body {
  display: flex;
  flex-flow: column;
  margin: 0px;
  padding: 0px;
  width: 100%;
  height: 100%;
}
html body main {
  flex: 1;
}
html body main h1 {
  font-size: 5rem;
}
html body main a {
  display: block;
  color: var(--linkcolor);
  font-size: 1.6rem;
}
html body main h2 {
  font-size: 4.2rem;
  font-weight: 300;
}
html body main p {
  font-size: 2.1rem;
  color: gray;
}
html body main img {
  display: block;
  margin: 0 auto;
  max-width: 800px;
  padding: 1.6rem;
}
html body main img.icon {
  max-width: 80px;
}
html body footer {
  margin-top: 4rem;
  text-align: right;
}
html body footer p {
  font-size: 1.6rem;
  display: inline;
  padding: 0 2rem 2rem 0;
  color: gray;
}