<style>
* {
  box-sizing: border-box;
  font-family: Verdana, Arial, sans-serif;
}

body {
  margin: 0;
  font-family: Verdana, Arial, sans-serif;
}

/* Style the top navigation bar */
.topnav {
  overflow: auto;
  background-color: #333;
}

.topnav h1 {
  float: center;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 1%;
  text-decoration: none;
  font-family: "Courier New", Courier, monospace;
}

/* Create three unequal columns that floats next to each other */
.column {
  float: left;
  padding: 2%;
}

/* Left and right column */
.column.side {
  width: 20%;
  background-color: #f2f2f2;
}

/* left column is used for main vertical navigation bar */
.column.side ul {
  list-style-type: none;
}

.column.side li a {
  display: block;
  text-decoration: none;
  color: black;
  font-size: 125%;
  font-weight: bold;
  padding: 2%;
  margin-bottom: 0.25em;
}

/* Middle column */
.column.middle {
  width: 70%;
}

.column.middle dd {
  margin-bottom: 0.5em;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

/* Responsive layout - makes the three columns stack on top of each other instead of next to each other */
@media screen and (max-width: 600px) {
  .column.side, .column.middle {
    width: 100%;
  }
}

</style>
