diff --git a/userChrome.css b/userChrome.css
index 89d6976..fe0184c 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -78,8 +78,8 @@
   }
 
   /* Tab - Max Size */
-  :root:not([uidensity=touch]) .tabbrowser-tab[fadein]:not([pinned]):not([style*="max-width"]) {
-    max-width: 240px !important;
+  .tabbrowser-tab[fadein]:not([pinned]):not([style*="max-width"]) {
+    max-width: 240px !important; /* Original: 225px */
   }
 
   /* neighbouring tabs should "pinch" together */
@@ -121,6 +121,18 @@
     height: calc(var(--tab-min-height) - var(--tabs-navbar-shadow-size) - 2px); /* Compact: 28px, Normal: 33px, Touch: 38px */
   }
 
+  /* Pinned Tab - Titlechanged Indicator position fix */
+  :root:not([uidensity=touch]) .tabbrowser-tab:is([image], [pinned]) > .tab-stack > .tab-content[attention]:not([selected="true"]),
+  :root:not([uidensity=touch]) .tabbrowser-tab > .tab-stack > .tab-content[pinned][titlechanged]:not([selected="true"]) {
+    /* Original: center bottom calc(6.5px + var(--tabs-navbar-shadow-size)); */
+    background-position: center bottom calc(4.5px + var(--tabs-navbar-shadow-size)) !important;
+  }
+  :root[uidensity=compact] .tabbrowser-tab:is([image], [pinned]) > .tab-stack > .tab-content[attention]:not([selected="true"]),
+  :root[uidensity=compact] .tabbrowser-tab > .tab-stack > .tab-content[pinned][titlechanged]:not([selected="true"]) {
+    /* Original: center bottom calc(6.5px + var(--tabs-navbar-shadow-size)); */
+    background-position: center bottom calc(.5px + var(--tabs-navbar-shadow-size)) !important;
+  }
+
   /** Tab Bar - Connect to window *********************************************/
   .tab-background {
     border-radius: var(--tab-border-radius) var(--tab-border-radius) 0px 0px !important;
@@ -281,6 +293,22 @@
     padding: 2px 0 !important;
   }
 
+  /* Busy - Show */
+  .tab-throbber[busy], .tab-icon-pending[busy] {
+    opacity: 1 !important;
+  }
+
+  /* Busy - Overlay Position */
+  .tabbrowser-tab:not([pinned])[busy] .tab-icon-overlay:is([soundplaying], [muted], [activemedia-blocked]) {
+    transform: translateX(-.5px) translateY(-2.5px);
+  }
+  .tabbrowser-tab:not([image]) .tab-icon-overlay:not([pinned], [sharing],[crashed])[busy] {
+    top: -3.5px !important;
+    inset-inline-end: -9px !important;
+    margin-inline-end: 9.5px !important;
+    padding: 1.5px !important;
+  }
+
   /* Hover */
   .tab-icon-overlay:not([crashed])[soundplaying]:hover,
   .tab-icon-overlay:not([crashed])[muted]:hover,
@@ -301,6 +329,51 @@
     padding: 0 !important;
   }
 
+  /** Pinned Tab - Replace Favicon to Close Button at Selected ****************/
+  .tabbrowser-tab[pinned][visuallyselected]:not([busy]) .tab-close-button {
+    display: -moz-box !important;
+    -moz-box-ordinal-group: 0 !important;
+    transform: translateX(-1px);
+
+    /* Looks like hover */
+    width: 24px !important;
+    height: 24px !important;
+    padding: 7px !important;
+  }
+  .tabbrowser-tab[pinned][visuallyselected] .tab-icon-image {
+    display: none !important;
+  }
+
+  /* Left Padding - Assume the icon size is 17px */
+  .tabbrowser-tab[pinned][visuallyselected]:not([busy]) .tab-content {
+    padding-inline: 7.5px !important; /* Original: 10px */
+  }
+
+  /* Right Padding - Assume the icon size is 17px */
+  .tabbrowser-tab[pinned][visuallyselected]:not([busy]) .tab-icon-stack {
+    width: 8.5px !important;
+  }
+  .tabbrowser-tab[pinned][visuallyselected]:not([busy]) .tab-content {
+    padding-inline-end: 0px !important;
+  }
+
+  .tabbrowser-tab[pinned][visuallyselected][busy] .tab-content {
+    padding-inline-end: 9.5px !important;
+  }
+  .tabbrowser-tab[pinned][busy] .tab-content {
+    padding-inline: 10.5px !important;
+  }
+
+  /* Sound Tab - Don't move overlay */
+  .tabbrowser-tab[pinned][busy] .tab-icon-overlay:is([soundplaying], [muted], [activemedia-blocked]) {
+    transform: translateX(.5px) translateY(-2px) !important;
+  }
+
+  .tabbrowser-tab[pinned][visuallyselected]:not([busy]) .tab-icon-overlay {
+    transform: translateX(-9px) translateY(-2px) !important;
+    left: 0 !important;
+  }
+
   /** Container Tab - Color line at icon's bottom *****************************/
   .tab-context-line {
     display: none;
@@ -313,8 +386,9 @@
     border-bottom: 2px solid var(--identity-icon-color);
   }
 
-  /* None exist favicon */
-  .tabbrowser-tab:not([image]):not([pinned], [sharing], [crashed]):not([soundplaying], [muted], [activemedia-blocked]) .tab-content::before {
+  /* None exist favicon & Pinned to select */
+  .tabbrowser-tab:not([image]):not([pinned], [sharing], [crashed]):not([soundplaying], [muted], [activemedia-blocked]) .tab-content::before,
+  .tabbrowser-tab[pinned][visuallyselected]:not([busy]):not(:hover) .tab-content::before {
     /* Box Model */
     content: '';
     display: block;
@@ -326,6 +400,12 @@
     border-bottom: 2px solid var(--identity-icon-color);
     width: 16px;
   }
+  .tabbrowser-tab:not([image]):not([pinned], [sharing], [crashed]):not([soundplaying], [muted], [activemedia-blocked]) .tab-content::before {
+    transform: translateY(10px) !important; /* None exist favicon */
+  }
+  .tabbrowser-tab[pinned][visuallyselected]:not([busy]):not(:hover) .tab-content::before {
+    transform: translateX(2.5px) translateY(10px) !important; /* Pinned to select */
+  }
 
   /* None exist favicon - With Sound */
   .tabbrowser-tab:not([image]) .tab-icon-overlay:not([pinned], [sharing], [crashed]):is([soundplaying], [muted], [activemedia-blocked]) {
@@ -342,6 +422,12 @@
     border-bottom: none;
   }
 
+  /* Pinned Tab - Titlechanged Indicator override */
+  .tabbrowser-tab:is([image], [pinned]) > .tab-stack > .tab-content[attention]:not([selected="true"]) .tab-icon-image,
+  .tabbrowser-tab > .tab-stack > .tab-content[pinned][titlechanged]:not([selected="true"]) .tab-icon-image {
+    border-bottom: 4px dotted var(--identity-icon-color) !important;
+  }
+
   /** URL Bar - Reduce Padding ************************************************/
   :root:not([uidensity=touch]) #urlbar-container, #search-container {
     padding-block: 2px; /* Original: 4px */