diff --git a/icons/tab-bottom-corner-left.svg b/icons/tab-bottom-corner-left.svg
index 37bfa26..a502cdb 100644
--- a/icons/tab-bottom-corner-left.svg
+++ b/icons/tab-bottom-corner-left.svg
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <svg stroke-width="1.2" width="16" height="16" preserveAspectRatio="xMidYMid meet" viewBox="0 0 17 16" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg">
   <path d="M0 17 L0 16 A16 16 0 0 0 16 0 L 18 0 L 18 17 Z" fill="context-fill"></path>
-  <path d="M0 16 A16 16 0 0 0 16 0" stroke="context-stroke" fill="transparent"></path>
-</svg>
\ No newline at end of file
+  <path d="M0 16 A16 16 0 0 0 16 0" stroke="context-stroke" stroke-width="0.5" fill="transparent"></path>
+</svg>
diff --git a/icons/tab-bottom-corner-right.svg b/icons/tab-bottom-corner-right.svg
index b443ef3..72f14fc 100644
--- a/icons/tab-bottom-corner-right.svg
+++ b/icons/tab-bottom-corner-right.svg
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <svg transform="scale(-1,1)" stroke-width="1.2" width="16" height="16" preserveAspectRatio="xMidYMid meet" viewBox="0 0 17 16" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg">
   <path d="M0 17 L0 16 A16 16 0 0 0 16 0 L 18 0 L 18 17 Z" fill="context-fill"></path>
-  <path d="M0 16 A16 16 0 0 0 16 0" stroke="context-stroke" fill="transparent"></path>
+  <path d="M0 16 A16 16 0 0 0 16 0" stroke="context-stroke" stroke-width="0.5" fill="transparent"></path>
 </svg>
diff --git a/userChrome.css b/userChrome.css
index 60f75ec..ed791bb 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -1599,7 +1599,7 @@
 
     /* Color */
     fill: var(--toolbar-bgcolor) !important;
-    stroke: var(--tabs-border-color, transparent) !important;
+    stroke: var(--tab-line-color, var(--tabs-border-color, rgba(128, 128, 142, 0.9))) !important;
     -moz-context-properties: fill, stroke !important;
 
     /* Image */
@@ -1607,6 +1607,11 @@
     background-repeat: no-repeat;
     background-position-y: bottom;
   }
+  :root:not([customizing="true"]) #TabsToolbar[brighttext] tab[visuallyselected] > stack::before,
+  :root:not([customizing="true"]) #TabsToolbar[brighttext] tab[visuallyselected] > stack::after {
+    /* As Selected Tab - Box Shadow */
+    stroke: var(--toolbar-color) !important;
+  }
 
   tab[visuallyselected] > stack::before {
     left: var(--tab-corner-position) !important;