html, body {
  height: 100%;
  margin: 10px;
  text-align: left;
  width: 100%;
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 15px;
  overflow: hidden;
  position: relative;
  width: 45%;
  border: 5px solid #e7e7e7;
  background-color: black;
  float: right;
}

li {
  float: left;
  display: inline;
}

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

li a:hover {
  background-color: blue;
}

.active {
  background-color: #4CAF50;
}

.title {
  font-family: "Times New Roman", Times, serif;
  margin-top: -30px;
}

h1.serif {
  color: SlateBlue;
}

p.print {
  font-family: "Calibri", print;
}

body {
  background-color: lightblue;
}

h1 {
  text-decoration: underline;
}