.topnav {
  overflow: hidden;
}

.topnav a {
  float: right;
  color: black;
  display: block;
  text-decoration: none;
  text-align: center;
  font-size: 20px;
  border: 1px solid black;
  padding: 2px;
  margin: 2px;
}

.topnav a:hover {
  background-color: grey;
  color: black;
}

.topnav ul{
  padding: 2;
  margin: 2;
  list-style: none;
  position: relative;
}

.topnav ul li{
  display: inlne-block;
  background-color: grey;
}

body {
  font:20px/1.1em arial, sans-serif;
  background:white;
}

h1 {
  font-size: 30px;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: normal;
}

h2 { 
  font-size: 20px;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: normal;
}

.search-container {
    font-size: 20px;
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 2px;
  width: 100%;
  display: inline-block;
  font-size: 20px;
  background-color: white;
  top: 0;
}

li {
  display: inline-block;
  padding: 2px;
}

li a {
  color: black;
  display: inline-block;
  text-decoration: none;
  border: 1px solid black;
  padding: 2px;
}

li:hover {
  background-color: grey;
}

form button {
  border: 1px solid black;
  padding: 2px;
  font: 20px;
}


/* navbar container */
.navbar {
  overflow: hidden;
  background-color: white;
  font-family: Arial;
}

/* links inside the navbar */
.navbar a{
  float: left;
  font-size: 20px;
  color: black;
  text-align: center;
  padding: 2px;
  text-decoration: none;
}

/* dropdown container */
.dropdown {
  float: left;
  overflow: hidden;
}

/* dropdown button */
.dropdown .dropbtn {
  font-size: 20px;
  border: 1px solid black;
  color: black;
  padding: 2px;
  background-color: inherit;
  font-family: inherit;
}

/* add a grey background color to navbar links on hover */
.navbar a:hover, .dropdown:hover .dropbtn{
  background-color: grey;
}

/* dropdown content ("hidden by default"--why?) */
.dropdown-content a {
  float: none;
  position: absolute;
  background-color: white;
  min-width: 160px;
  z-index: 1;
}

/* links inside the dropdown */
.dropdown-content a {
  float: none;
  color: black;
  padding: 2px;
  text-decoration: none;
  display: block;
  text-align: left;
}

/* add a grey background color to dropdown links on hover */
.dropdown-content a:hover {
  background-color: grey;
}

/* show the dropdown menu on hover */
.dropdown:hover .dropdown-content {
  display: block;
}