main {
  font-family: Arial, Helvetica, sans-serif;
  display: flex;
  flex-direction: row;
  padding-top: 20px;
}

.flex {
  display: flex;
}

.hidden {
  display: none;
}

nav {
  display: flex;
  flex-direction: column;
  width: 5%;
  padding-left: 15px;
  padding-top: 30px;
}

nav div:hover {
  font-weight: bold;
  cursor: pointer;
}

main > section {
  width: 70%;
  padding: 10px;
  border-left: dotted black 2px;
}

#intro img {
  margin-left: 30px;
  border-radius: 10px;
}


#fun img {
  width: 200px;
}

a {
  color: black;
}

footer {
  position: fixed;
  bottom: 3px;
}

h2 {
  font-size: 1.2em;
  margin-top: 15px;
  margin-bottom: 5px;
}