diff --git a/assets/css/theme.css b/assets/css/theme.css
index c4977ac2bc..41487bd724 100644
--- a/assets/css/theme.css
+++ b/assets/css/theme.css
@@ -133,7 +133,7 @@ b,
 strong,
 label,
 th {
-    font-weight: 600;
+    font-weight: 800;
 }
 
 ul {
@@ -2519,12 +2519,12 @@ html[dir="rtl"] #R-sidebar ul.collapsible-menu > li > label > i.fa-chevron-right
     background-color: var(--VARIABLE-BOX-BG-color);
     border-bottom-color: transparent;
     border-radius: 1px 1px 0 0;
-    text-shadow: -0.06ex 0 0 currentColor, 0.06ex 0 0 currentColor;
+    text-shadow: -0.08ex 0 0 currentColor, 0.08ex 0 0 currentColor;
 }
-@supports (-webkit-text-stroke-width: 0.04ex){
+@supports (-webkit-text-stroke-width: 0.09ex){
     #R-body .tab-nav-button.active > .tab-nav-text{
-        text-shadow: -0.03ex 0 0 currentColor, 0.03ex 0 0 currentColor;
-        -webkit-text-stroke-width: 0.04ex;
+        text-shadow: -0.08ex 0 0 currentColor, 0.08ex 0 0 currentColor;
+        -webkit-text-stroke-width: 0.09ex;
     }
 }
 #R-body .tab-nav-button:not(.active):hover > .tab-nav-text,