html {
  scroll-behavior: smooth;
}

body {
    background-color: rgb(218, 131, 100);
}

main {
  margin: 0;
  padding: 5px;
  margin-left: 210px;
}
main > p, li {
  margin: 10px;
  padding: 5px;
  font-size: 18px;
  font-family: Verdana, sans-serif;
}
p, li {
  margin: 10px;
  padding: 5px;
  font-size: 18px;
  font-family: Verdana, sans-serif;
}
hr {
  border: 1px solid rgb(80, 48, 36);
}
.subhr {
  border: 1px solid rgb(180, 112, 89);
}
h1 {
  font-size: 60px;
}
h2 {
  font-size: 32px;
}

#ul {
    margin: 10px;
    padding: 0;
    width: 200px;
    background-color: #d0d0d0;
    height: 100%;
    position: fixed;
    overflow: auto;
    top: 0px;
    left: 0px;
  }

li a {
    display: block;
    color: #000;
    padding: 10px 10px;
    font-size: 23px;
    border: #000;
    text-decoration: none;
    text-align: center;
  }
  
li a:hover {
    background-color: #555;
    color: white;
  }

.answerexplanation {
  color: #00000000;
}