/* needed for modern web dev */
* {
  box-sizing: border-box;
}

body {
  background-color: #333;
}

nav {
  background-color: #333;
  overflow: hidden;
}

nav ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

nav li {
  float: left;
  /* set text size and font */
  font-size: 20px;
  font-family: Arial, Helvetica, sans-serif;
  border-radius: 5px;
}

.selected {
  background-color: rgb(60, 90, 110);
}

nav li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;

}

nav li a:hover {
  background-color: rgb(60, 90, 110);
  border-radius: 5px;
}

h1 {
  font-family: Arial, Helvetica, sans-serif;
  text-align: center;
  color: #f2f2f2;
}