diff --git a/12/style.css b/12/style.css
index acd61b3..9442af7 100644
--- a/12/style.css
+++ b/12/style.css
@@ -586,7 +586,7 @@ iframe.hidden {
 
 #TOC_icon {
 	color: white;
-	border: 1px white solid;
+	border: 3px white solid;
   	width: 100px;
   	height: 100px;
   	align-content: center;
@@ -594,7 +594,7 @@ iframe.hidden {
 }
 #clock_icon {
     color: white;
-    border: 1px white solid;
+    border: 3px white solid;
     width: 100px;
   	height: 100px;
   	align-content: center;
@@ -602,7 +602,7 @@ iframe.hidden {
 }
 #resources_icon {
     color: white;
-    border: 1px white solid;
+    border: 3px white solid;
   	width: 100px;
   	height: 100px;
   	align-content: center;