HTML{
    --font-color-main: #999;
    --font-color-link: #DD5566;
    --background-color-main: black;
  }
  *{
    box-sizing: border-box;
    font-family: consolas, monospace;
    color: var(--font-color-main);
  }
  HTML,BODY{
    display: block;
    min-height: 100vh;
    width: 100%;
    padding: 0;
    margin: 0;
  }
  BODY{
    background-color: var(--background-color-main);
    padding: 1rem;
  }
  HTML{
    font-size: 16px;
  }
  h1{ font-size: 1.5rem; }
  h2{ font-size: 1.4rem; }
  h3{ font-size: 1.3rem; }
  h4{ font-size: 1.2rem; }
  h5{ font-size: 1.1rem; }
  p,ul,li{
    font-size: 1rem;
  }
  a{
    color: inherit;
    color: var(--font-color-link);
    cursor: pointer;
  }
  hr{
    border-color: var(--font-color-main);
  }
  nav{
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 3px solid var(--font-color-main);
  }
    nav ul{
      margin: 0;
      padding: 0;
      list-style: none;
    }