* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
header h1 {
  background: #0a3d62;
  color: white;
  text-align: center;
  padding: 20px;
  margin-bottom: 10px;
}

nav {
  background: #005f73;
  color: white;
 text-align: center;
 padding: 20px;
 margin-bottom: 10px;
}

nav ul {
  list-style: none;
  
}

nav ul li {
  display: inline-block;
  margin: 0 10px;
  
}

nav a {
  color: ghostwhite;
  text-decoration: none;
  font-size: 18px;
}

section {
  display: flex;
  justify-content: space-between;
}

div {
  background: #60a3bc;
  flex-basis: 60%;
  padding: 25px 30px;
}

aside {
  background: #82ccdd;
  flex-basis: 38%;
  padding: 25px 30px;
}

aside ul {
  margin-left: 18px;
  margin-top: 10px;
}

footer {
  background: #0a3d62;
  color: ghostwhite;
  text-align: center;
  margin-top: 10px;
  padding-bottom: 20px;
  padding-top: 20px;
}

#hero {
  background: #e55039;
  color: ghostwhite;
  text-align: center;
 padding: 20px;
  margin-bottom: 10px;
  height: 300px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#hero h2 {
  font-size: 25px;
margin-bottom: 10px;
}

#hero a {
  background: ghostwhite;
  color: black;
  display: inline-block;
  padding: 10px 25px;
  margin-top: 15px;
  text-decoration: none;
}