diff --git a/README.md b/README.md
index 86ee1cd..ae8a66f 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,7 @@ ArchLinux:
 - sassc.
 - optipng.
 - inkscape.
+- libglib2.0-dev-bin `ubuntu 20.04`
 - libglib2.0-dev. `ubuntu 18.04` `debian 10.03` `linux mint 19`
 - libxml2-utils. `ubuntu 18.04` `debian 10.03` `linux mint 19`
 - glib2-devel. `Fedora` `Redhat`
@@ -38,7 +39,7 @@ Fedora/RedHat distros:
 
 Ubuntu/Mint/Debian distros:
 
-    sudo apt install sassc optipng inkscape
+    sudo apt install sassc optipng inkscape libglib2.0-dev-bin
 
 Debian 10:
 
diff --git a/src/main/gtk-3.0/gtk-dark-solid.css b/src/main/gtk-3.0/gtk-dark-solid.css
index 7a512fa..6caeb04 100644
--- a/src/main/gtk-3.0/gtk-dark-solid.css
+++ b/src/main/gtk-3.0/gtk-dark-solid.css
@@ -6049,8 +6049,9 @@ entry.contacts-postal-entry:focus + entry.contacts-postal-entry {
   border-top-color: rgba(104, 135, 205, 0.75);
 }
 
-stack#titlebar_container.titlebar > stack > headerbar {
-  border: none;
+stack#titlebar_container.titlebar > stack > headerbar,
+stack#titlebar_container.titlebar > headerbar.titlebar > deck > headerbar {
+  border-color: #373737;
 }
 
 notebook.main-notebook > header.top {
@@ -6065,6 +6066,10 @@ notebook.main-notebook > header.top > tabs > tab:first-child {
   border-left-width: 0;
 }
 
+notebook.main-notebook webkitwebview {
+  border-radius: 0 0 14px 14px;
+}
+
 window.background.csd > box.vertical > overlay > stack.background {
   border-radius: 0 0 14px 14px;
 }
diff --git a/src/main/gtk-3.0/gtk-light-solid.css b/src/main/gtk-3.0/gtk-light-solid.css
index 7a97f12..357c0e7 100644
--- a/src/main/gtk-3.0/gtk-light-solid.css
+++ b/src/main/gtk-3.0/gtk-light-solid.css
@@ -6071,8 +6071,9 @@ entry.contacts-postal-entry:focus + entry.contacts-postal-entry {
   border-top-color: rgba(103, 164, 233, 0.75);
 }
 
-stack#titlebar_container.titlebar > stack > headerbar {
-  border: none;
+stack#titlebar_container.titlebar > stack > headerbar,
+stack#titlebar_container.titlebar > headerbar.titlebar > deck > headerbar {
+  border-color: #ffffff;
 }
 
 notebook.main-notebook > header.top {
@@ -6087,6 +6088,10 @@ notebook.main-notebook > header.top > tabs > tab:first-child {
   border-left-width: 0;
 }
 
+notebook.main-notebook webkitwebview {
+  border-radius: 0 0 14px 14px;
+}
+
 window.background.csd > box.vertical > overlay > stack.background {
   border-radius: 0 0 14px 14px;
 }
diff --git a/src/main/gtk-3.0/gtk-light.css b/src/main/gtk-3.0/gtk-light.css
index cf9bb4c..35dae3b 100644
--- a/src/main/gtk-3.0/gtk-light.css
+++ b/src/main/gtk-3.0/gtk-light.css
@@ -6067,8 +6067,9 @@ entry.contacts-postal-entry:focus + entry.contacts-postal-entry {
   border-top-color: rgba(103, 164, 233, 0.75);
 }
 
-stack#titlebar_container.titlebar > stack > headerbar {
-  border: none;
+stack#titlebar_container.titlebar > stack > headerbar,
+stack#titlebar_container.titlebar > headerbar.titlebar > deck > headerbar {
+  border-color: #ffffff;
 }
 
 notebook.main-notebook > header.top {
@@ -6083,6 +6084,10 @@ notebook.main-notebook > header.top > tabs > tab:first-child {
   border-left-width: 0;
 }
 
+notebook.main-notebook webkitwebview {
+  border-radius: 0 0 14px 14px;
+}
+
 window.background.csd > box.vertical > overlay > stack.background {
   border-radius: 0 0 14px 14px;
 }
diff --git a/src/sass/gtk/_applications.scss b/src/sass/gtk/_applications.scss
index 46e7763..763a855 100644
--- a/src/sass/gtk/_applications.scss
+++ b/src/sass/gtk/_applications.scss
@@ -1650,8 +1650,9 @@ entry.contacts-postal-entry:focus + entry.contacts-postal-entry { border-top-col
 // Gnome Web
 //
 stack#titlebar_container.titlebar {
-  > stack > headerbar {
-    border: none;
+  > stack > headerbar,
+  > headerbar.titlebar > deck > headerbar { // Gnome 3.38
+    border-color: $header_bg;
 
     // entry.suggestion.url_entry {}
   }
@@ -1671,6 +1672,10 @@ notebook.main-notebook {
       }
     }
   }
+
+  webkitwebview {
+    border-radius: 0 0 $wm_radius $wm_radius;
+  }
 }
 
 //