diff --git a/style.css b/style.css
index 7dfbcd5..2c312e2 100644
--- a/style.css
+++ b/style.css
@@ -509,6 +509,13 @@ canvas {
     border-color: rgba(0, 255, 255, 0.42);
 }
 
+.tooltip-trigger {
+    cursor: help;
+    pointer-events: auto;
+    border-bottom: 1px dotted rgba(255, 255, 255, 0.3);
+    position: relative;
+}
+
 #global-tooltip {
     position: fixed;
     z-index: 9999;