diff --git a/content/style.css b/content/style.css
index 9a9afec..465ae0b 100644
--- a/content/style.css
+++ b/content/style.css
@@ -198,3 +198,44 @@ ul.topnav li.right {float: right;}
   ul.topnav li {float: none;}
 }
 
+.dropdown-content {
+  display: none;
+  position: absolute;
+  background-color: #f9f9f9;
+  min-width: 160px;
+  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
+  z-index: 1;
+}
+
+.dropdown-content a {
+  float: none;
+  color: black;
+  padding: 12px 16px;
+  text-decoration: none;
+  display: block;
+  text-align: left;
+}
+
+.dropdown-content a:hover {
+  background-color: #ddd;
+}
+
+.dropdown:hover .dropdown-content {
+  display: block;
+}
+
+.dropdown {
+  float: left;
+  overflow: hidden;
+}
+
+.dropdown .dropbtn {
+  font-size: 16px;  
+  border: none;
+  outline: none;
+  color: white;
+  padding: 14px 16px;
+  background-color: inherit;
+  font-family: inherit;
+  margin: 0;
+}
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