diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 36e2922..e5e788e 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -20,12 +20,14 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+        with:
+          # Make sure the actual branch is checked out when running on pull requests
+          ref: ${{ github.head_ref }}
 
       - name: Prettify code
-        uses: creyD/prettier_action@v3.3
+        uses: creyD/prettier_action@v4.1.1
         with:
           # This part is also where you can pass other options, for example:
           prettier_options: --write .
+          only_changed: True
           commit_message: "Clean: Prettified Code!"
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/README.org b/README.org
index aeeef0d..7f2ed00 100644
--- a/README.org
+++ b/README.org
@@ -97,7 +97,7 @@
    bash -c "$(curl -fsSL https://raw.githubusercontent.com/black7375/Firefox-UI-Fix/master/install.sh)"
    #+END_SRC
 
-   Windows users: Run powershell as administrator
+   Windows users: Run with powershell
    #+BEGIN_SRC powershell
    Powershell -c "Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iwr https://raw.githubusercontent.com/black7375/Firefox-UI-Fix/master/install.ps1 -useb | iex"
    #+END_SRC
@@ -167,7 +167,8 @@
   Please follow the [[https://github.com/black7375/Firefox-UI-Fix/wiki/Installation-Guide][Installation Guide]], \\
   or set =about:config='s =svg.context-properties.content.enabled= to =true= .
 
-  - *Some panel menu items doesn't show* \\
+  - *The closed button and some panel menu icons are not visible.* \\
+    [[https://user-images.githubusercontent.com/77958663/130395848-7af58241-bbbf-4273-bb62-14382c44098d.png]]
     [[https://user-images.githubusercontent.com/25581533/120487528-93b40200-c3a5-11eb-98ad-3498beb9f38e.png]]
 
   Please follow the [[https://github.com/black7375/Firefox-UI-Fix/wiki/Installation-Guide][Installation Guide]], \\
@@ -178,5 +179,5 @@
     [[https://user-images.githubusercontent.com/25581533/123761424-5746c980-d8b1-11eb-9a0f-83fb305f9f08.png]]
     [[https://user-images.githubusercontent.com/25581533/123762962-d4bf0980-d8b2-11eb-8492-d497d330c72a.png]]
 
-  I didn't put all the icons like before.\\
-  [[https://user-images.githubusercontent.com/25581533/123602947-dd4b0d80-d7e8-11eb-93a6-2b263bdd99f7.png]]
+    I didn't put all the icons like before.\\
+    [[https://user-images.githubusercontent.com/25581533/123602947-dd4b0d80-d7e8-11eb-93a6-2b263bdd99f7.png]]
diff --git a/install.sh b/install.sh
index e44ec9c..0b0b3eb 100755
--- a/install.sh
+++ b/install.sh
@@ -336,9 +336,12 @@ multiselect() {
 #== Profile Dir ================================================================
 firefoxProfileDirPaths=(
   "${HOME}/.mozilla/firefox"
-  "${HOME}/.var/app/org.mozilla.firefox/.mozilla/firefox"
-  "${HOME}/.firedragon/"
   "${HOME}/.librewolf/"
+  "${HOME}/.firedragon/"
+  "${HOME}/.var/app/org.mozilla.firefox/.mozilla/firefox"
+  "${HOME}/snap/firefox/common/.mozilla/firefox"
+  "${HOME}/snap/firefox/common/.librewolf/"
+  "${HOME}/snap/firefox/common/.firedragon/"
   "${HOME}/Library/Application Support/Firefox"
   "${HOME}/Library/Application Support/LibreWolf"
 )
diff --git a/userChrome.css b/userChrome.css
index 6c8f32c..ba447d8 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -34,6 +34,11 @@
   border-radius: 4px;
 }
 
+/*= Remote Tabs Panel's Bottom Padding =======================================*/
+#PanelUI-remotetabs #PanelUI-remotetabs-main {
+  margin-bottom: 6px;
+}
+
 /*= Identity Popup Icon Crop =================================================*/
 .identity-popup-security-connection.identity-button {
   padding-block: 1px !important;
@@ -92,9 +97,7 @@ menu[disabled="true"] {
   }
 }
 :root[lwtheme-image] #navigator-toolbox:-moz-lwtheme {
-  background-image: var(
-    --lwt-additional-images
-  ) !important; /* Original: var(--lwt-header-image), var(--lwt-additional-images); */
+  background-image: var(--lwt-header-image), var(--lwt-additional-images) !important;
   background-repeat: var(--lwt-background-tiling) !important;
   background-position: var(--lwt-background-alignment) !important;
   background-color: unset !important; /* Original:  var(--lwt-accent-color) */
@@ -800,6 +803,9 @@ menu[disabled="true"] {
     --button-active-bgcolor: var(--mac-hover-bgcolor);
     --toolbarbutton-hover-background: var(--mac-hover-bgcolor);
     --toolbarbutton-active-background: var(--mac-hover-bgcolor);
+
+    /* Prevent transparent tabbar at fullscreen hover #312 */
+    background: var(--mac-bgcolor);
   }
 
   :root[lwt-default-theme-in-dark-mode] #urlbar {
@@ -922,9 +928,9 @@ menu[disabled="true"] {
   --in-content-button-vertical-padding: 7px;
 
   --in-content-table-background: #f8f8fa;
-  --in-content-table-border-dark-color: #d1d1d1;
-  --in-content-table-header-background: #0a84ff;
-  --in-content-table-header-color: #ffffff;
+  --in-content-table-border-color: var(--in-content-box-border-color); /* Legacy: #d1d1d1; rgba(249, 249, 250, 0.2) */
+  --in-content-table-header-background: var(--in-content-primary-button-background); /* Legacy: #0a84ff; rgb(5, 64, 150); */
+  --in-content-table-header-color: var(--in-content-primary-button-text-color); /* Legacy: #ffffff; var(--in-content-page-color); */
   --in-content-sidebar-width: 240px;
 
   --dialog-warning-text-color: var(--red-60);
@@ -1011,9 +1017,7 @@ menu[disabled="true"] {
     --in-content-danger-button-background-active: #ffdfe7;
 
     --in-content-table-background: rgb(35, 34, 43);
-    --in-content-table-border-dark-color: rgba(249, 249, 250, 0.2);
-    --in-content-table-header-background: rgb(5, 64, 150);
-    --in-content-table-header-color: var(--in-content-page-color);
+    --in-content-table-border-dark-color: var(--in-content-box-border-color);
 
     --in-content-accent-color: var(--in-content-primary-button-background);
     --in-content-accent-color-active: var(--in-content-primary-button-background-hover);
@@ -1738,7 +1742,7 @@ browser[type="content"] > html {
     border-bottom-left-radius: 0 !important;
     border-bottom-right-radius: 0 !important;
     padding-bottom: 1px !important;
-    box-shadow: inset 0 -1px var(--in-content-border-color) !important;
+    box-shadow: inset 0 -1px var(--in-content-table-border-color) !important;
     overflow: clip !important; /* Clip border-radius */
   }
 
@@ -1875,11 +1879,8 @@ browser[type="content"] > html {
 /*= Delete Cert ==============================================================*/
 @-moz-document url("chrome://pippki/content/deletecert.xhtml")
 {
-  :root {
-    --in-content-border-color: color-mix(in srgb, currentColor 41%, transparent) !important;
-  }
   #certlist {
-    border: 1px solid var(--in-content-border-color) !important;
+    border: 1px solid var(--in-content-table-border-color) !important;
     border-radius: 4px !important;
   }
 }
@@ -1887,9 +1888,6 @@ browser[type="content"] > html {
 /*= Cert Exeption Dialog =====================================================*/
 @-moz-document url("chrome://pippki/content/exceptionDialog.xhtml")
 {
-  :root {
-    --in-content-border-color: color-mix(in srgb, currentColor 41%, transparent) !important;
-  }
   #locationTextBox {
     appearance: none !important;
     border: 1px solid var(--in-content-box-border-color) !important;
@@ -2015,7 +2013,7 @@ browser[type="content"] > html {
     -moz-appearance: none !important;
     color: var(--in-content-table-header-color) !important;
     background: var(--in-content-table-header-background) !important;
-    border: 1px solid var(--in-content-border-color) !important;
+    border: 1px solid var(--in-content-table-border-color) !important;
     padding: 4px !important;
     border-spacing: 0;
 
@@ -2027,7 +2025,7 @@ browser[type="content"] > html {
     -moz-appearance: none !important;
     color: var(--in-content-text-color) !important;
     background-color: var(--in-content-table-background) !important;
-    border: 1px solid var(--in-content-border-color) !important;
+    border: 1px solid var(--in-content-table-border-color) !important;
   }
 
   treechildren::-moz-tree-row(odd) {
@@ -2043,7 +2041,7 @@ browser[type="content"] > html {
   }
 
   treechildren::-moz-tree-cell {
-    border-inline: 1px solid var(--in-content-border-color) !important;
+    border-inline: 1px solid var(--in-content-table-border-color) !important;
     border-spacing: 0 !important;
     padding: 4px !important;
     margin: 0 !important;
@@ -2074,7 +2072,7 @@ browser[type="content"] > html {
   #topBar,
   #imagecontainerbox,
   #permList {
-    border-color: var(--in-content-border-color) !important;
+    border-color: var(--in-content-table-border-color) !important;
   }
 }
 
diff --git a/userContent.css b/userContent.css
index d181982..692e61d 100644
--- a/userContent.css
+++ b/userContent.css
@@ -315,9 +315,9 @@
   --in-content-button-vertical-padding: 7px;
 
   --in-content-table-background: #f8f8fa;
-  --in-content-table-border-dark-color: #d1d1d1;
-  --in-content-table-header-background: #0a84ff;
-  --in-content-table-header-color: #ffffff;
+  --in-content-table-border-color: var(--in-content-box-border-color); /* Legacy: #d1d1d1; rgba(249, 249, 250, 0.2) */
+  --in-content-table-header-background: var(--in-content-primary-button-background); /* Legacy: #0a84ff; rgb(5, 64, 150); */
+  --in-content-table-header-color: var(--in-content-primary-button-text-color); /* Legacy: #ffffff; var(--in-content-page-color); */
   --in-content-sidebar-width: 240px;
 
   --dialog-warning-text-color: var(--red-60);
@@ -405,9 +405,7 @@
     --in-content-danger-button-background-active: #ffdfe7;
 
     --in-content-table-background: rgb(35, 34, 43);
-    --in-content-table-border-dark-color: rgba(249, 249, 250, 0.2);
-    --in-content-table-header-background: rgb(5, 64, 150);
-    --in-content-table-header-color: var(--in-content-page-color);
+    --in-content-table-border-dark-color: var(--in-content-box-border-color);
 
     --in-content-accent-color: var(--in-content-primary-button-background);
     --in-content-accent-color-active: var(--in-content-primary-button-background-hover);
@@ -1203,7 +1201,7 @@
                  url-prefix("about:cache"),
                  url-prefix("about:checkerboard") {
   table {
-    border: 1px solid var(--in-content-border-color) !important;
+    border: 1px solid var(--in-content-table-border-color) !important;
     border-radius: 0 !important;
   }
 }
@@ -1211,7 +1209,7 @@
                  url-prefix("about:checkerboard") {
   th,
   td {
-    border: 1px solid var(--in-content-border-color) !important;
+    border: 1px solid var(--in-content-table-border-color) !important;
   }
   th {
     background-color: var(--in-content-table-header-background) !important;