* {
  margin: 0;
  padding: 0;
}
body {
  font-size: 16px;
}
.nav {
  display: flex;
  justify-content: space-evenly;
  padding: 20px 0px;
  background-color: lightgray;
}
.nav li {
  list-style-type: none;
  font-weight: bolder;
  font-size: 1.2em;
}

.nav li a {
  display: block;
  padding: 3px 8px;
  color: black;
  text-decoration: none;
}

.nav li a:hover {
  background-color: white;
}

header img {
  width: 100%;
}

header {
  position: relative;
  display: flex;
  justify-content: center;
  height: 100vh;
}

header h1 {
  background-color: white;
  padding: 10px 40px;
  margin-bottom: 100px;
  bottom: 0;
  position: absolute;
}

main {
  min-height: 600px;
  padding: 10px;
  display: flex;
}

main div {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

footer {
  background-color: black;
  color: white;
  padding: 10px 0px;
  text-align: center;
}

.section {
  margin: 20px 0px;
  padding-right: 20px;
}

.section h2 {
  margin-bottom: 2px;
}
.section-title {
  padding: 10px;
  font-size: 2em;
}