diff --git a/buttons.js b/buttons.js
index 66ad923..3efb2a1 100644
--- a/buttons.js
+++ b/buttons.js
@@ -28,13 +28,13 @@ const levels = {
         name: "Level 3",
         x: 4,
         y: 5,
-        time: 45
+        time: 60
     },
     "4": {
         name: "Level 4",
         x: 4,
         y: 6,
-        time: 60
+        time: 90
     },
     "5": {
         name: "Level 5",
diff --git a/style.css b/style.css
index be42c36..5288872 100644
--- a/style.css
+++ b/style.css
@@ -128,10 +128,8 @@ header button {
     padding: 4vw;
     gap: 3vw;
     -webkit-user-select: none;
-    -khtml-user-select: none;
     -moz-user-select: none;
     -ms-user-select: none;
-    -o-user-select: none;
     user-select: none;
 }
 
@@ -141,10 +139,8 @@ header button {
     position: relative;
     transform-style: preserve-3d;
     -webkit-user-select: none;
-    -khtml-user-select: none;
     -moz-user-select: none;
     -ms-user-select: none;
-    -o-user-select: none;
     user-select: none;
 }
 
@@ -159,10 +155,8 @@ header button {
     backface-visibility: hidden;
     border-radius: 15px;
     -webkit-user-select: none;
-    -khtml-user-select: none;
     -moz-user-select: none;
     -ms-user-select: none;
-    -o-user-select: none;
     user-select: none;
 }