* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: -apple-system, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  color: #434;
  line-height: 2;
  background: #f9f9f9;
}
code {
  padding: 0.6rem;
  display: block;
  margin: 0.5rem 2rem;

  background: #f1f1f1;
}

a {
  text-decoration: none;
  color: #434;
}
nav li {
  list-style: none;
}

/* ______________________________ */

.header {
  text-align: center;
  padding: 1rem;
  border-bottom: solid 1.5px #434;
  text-transform: capitalize;
}

.nav-links {
  height: 8.4rem;
  overflow: scroll;
  border-bottom: 3px solid #434;
}

.nav-links > li {
  padding: 0.6rem 2rem;
  border-bottom: solid 1px #434;
  text-transform: capitalize;
}
main {
  padding: 1.3rem 2rem;
}
h1 {
  text-transform: capitalize;
  margin-left: -0.8rem;
}

p {
  margin-bottom: 0.8rem;
}

.inside-list li {
  list-style: number;
  margin-left: 4rem;
  margin-bottom: 0.8rem;
}

@media screen and (min-width: 816px) {
  #navbar {
    border-right: solid 1px #434;
    height: 100vh;
    border-bottom: none;
    width: 17rem;
    float: left;
  }
  .nav-links {
    height: auto;
    border-bottom: none;
  }

  .header {
    text-align: left;
    padding: 1.2rem 1.6rem;
    /* padding-left: 1.6rem; */
    border-bottom: solid 1px #434;
    text-transform: capitalize;
  }
  main {
    width: calc(100vw - 17rem);
    float: left;
    height: 100vh;
    overflow: scroll;
    padding: 2rem 2.8rem;
  }
  h1 {
    margin-left: -1.2rem;
    margin-bottom: 1.2rem;
  }
  section {
    padding-bottom: 0.5rem;
  }
}