body {
  background-color: lightgray;
  font-family: sans-serif;
}

header {
  margin-bottom: 30px;
  background-color: #fff;
  padding: 20px;
  border-bottom: 1px solid darkgray;
}
header nav {
  float: right;
  margin-right: 20px;
}
nav ul {
  margin: 0;
  padding: 0;
  list-style-type: none;
}
nav li {
  display: inline-block;
  padding: 20px;
  text-transform: uppercase;
  font-weight: bold;
}
nav li:hover {
  background-color: #f5f5f5;
}
nav a {
  color: #000;
  text-decoration: none;
}
.content {
  background-color: #fff;
  padding: 20px 40px;
}

h1 {
  font-size: 1.3rem;
  text-align: center;
}
.header-logo {
  width: 200px;
}

@media (max-width: 800px) {
  .col-12 .content h1 {
    font-size: 1em;
  }

  nav li {
    padding: 5px;
  }

  header nav {
    float: none;
  }
}