diff --git a/muni.css b/muni.css
index fd62fd4..9d6b260 100644
--- a/muni.css
+++ b/muni.css
@@ -26,3 +26,49 @@ textarea {
 textarea:disabled {
   color: black;
 }
+
+/* Tooltip container */
+.tooltip {
+  position: relative;
+  display: inline-block;
+  border-bottom: 1px dotted black; /* If you want dots under the hoverable text */
+}
+
+/* Tooltip text */
+.tooltip .tooltiptext {
+  visibility: hidden;
+  width: 240px;
+  background-color: rgba(62,62,62,0.91);
+  color: #fff;
+  text-align: center;
+  padding: 5px 5px 5px 5px;
+  border-radius: 6px;
+
+  /* Position the tooltip text */
+  position: absolute;
+  z-index: 1;
+  top: -100%;
+  left: 105%;
+
+  /* Fade in tooltip */
+  opacity: 0;
+  transition: opacity 0.3s;
+}
+
+/* Tooltip arrow */
+.tooltip .tooltiptext::after {
+  content: " ";
+  position: absolute;
+  top: 50%;
+  right: 100%; /* To the left of the tooltip */
+  margin-top: -5px;
+  border-width: 5px;
+  border-style: solid;
+  border-color: transparent rgba(62,62,62,0.91) transparent transparent;
+}
+
+/* Show the tooltip text when you mouse over the tooltip container */
+.tooltip:hover .tooltiptext {
+  visibility: visible;
+  opacity: 1;
+}