diff --git a/css/dropdown.css b/css/dropdown.css
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+/* Code taken and modified from here: https://www.w3schools.com/howto/howto_css_dropdown.asp */
+
+/* Dropdown Button */
+.dropbtn {
+  background-color: #04AA6D;
+  color: white;
+  padding: 16px;
+  font-size: 16px;
+  border: none;
+}
+
+/* The container <div> - needed to position the dropdown content */
+.dropdown {
+  position: relative;
+  display: inline-block;
+}
+
+/* Dropdown Content (Hidden by Default) */
+.dropdown-content {
+  display: none;
+  position: absolute;
+  background-color: #f1f1f1;
+  min-width: 160px;
+  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
+  z-index: 1;
+}
+
+/* Links inside the dropdown */
+.dropdown-content a {
+  color: black;
+  padding: 12px 16px;
+  text-decoration: none;
+  display: block;
+}
+
+/* Change color of dropdown links on hover */
+.dropdown-content a:hover {background-color: #ddd;}
+
+/* Show the dropdown menu on hover */
+.dropdown:hover .dropdown-content {display: block;}
+
+/* Change the background color of the dropdown button when the dropdown content is shown */
+.dropdown:hover .dropbtn {background-color: #3e8e41;}