diff --git a/application/basilisk/base/content/aboutDialog.css b/application/basilisk/base/content/aboutDialog.css
index 65830c8bb..3d74265fb 100644
--- a/application/basilisk/base/content/aboutDialog.css
+++ b/application/basilisk/base/content/aboutDialog.css
@@ -3,7 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #aboutDialog {
-  width: 620px;
+  width: 530px;
   /* Set an explicit line-height to avoid discrepancies in 'auto' spacing
      across screens with different device DPI, which may cause font metrics
      to round differently. */
@@ -23,7 +23,7 @@
 }
 
 #bottomBox {
-  padding: 15px 10px 0;
+  padding: 10px 10px 0;
 }
 
 #version {
diff --git a/application/basilisk/branding/unofficial/VisualElements_150.png b/application/basilisk/branding/unofficial/VisualElements_150.png
index eb74e4adc..d7cf58253 100644
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diff --git a/application/basilisk/branding/unofficial/VisualElements_70.png b/application/basilisk/branding/unofficial/VisualElements_70.png
index 571532a9b..f3d0a5000 100644
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diff --git a/application/basilisk/branding/unofficial/content/about-background.png b/application/basilisk/branding/unofficial/content/about-background.png
index e36211b08..8dc5e0fd3 100644
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diff --git a/application/basilisk/branding/unofficial/content/about-logo.png b/application/basilisk/branding/unofficial/content/about-logo.png
index c5a838178..748f1516d 100644
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diff --git a/application/basilisk/branding/unofficial/content/about-logo@2x.png b/application/basilisk/branding/unofficial/content/about-logo@2x.png
index 48c31564c..c6e9807e3 100644
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diff --git a/application/basilisk/branding/unofficial/content/about.png b/application/basilisk/branding/unofficial/content/about.png
index e323c8df5..68e086b45 100644
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diff --git a/application/basilisk/branding/unofficial/content/aboutDialog.css b/application/basilisk/branding/unofficial/content/aboutDialog.css
index be7fdcab6..116b9114e 100644
--- a/application/basilisk/branding/unofficial/content/aboutDialog.css
+++ b/application/basilisk/branding/unofficial/content/aboutDialog.css
@@ -5,6 +5,7 @@
 #aboutDialogContainer {
   background-image: url("chrome://branding/content/about-background.png");
   background-repeat: no-repeat;
+  background-size: cover;
   background-color: rgb(10,17,37);
   color: #fff;
 }
diff --git a/application/basilisk/branding/unofficial/content/icon48.png b/application/basilisk/branding/unofficial/content/icon48.png
index 16e022a64..4247a13da 100644
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diff --git a/application/basilisk/branding/unofficial/content/icon64.png b/application/basilisk/branding/unofficial/content/icon64.png
index 9860917e3..1bba96dd3 100644
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diff --git a/application/basilisk/branding/unofficial/default16.png b/application/basilisk/branding/unofficial/default16.png
index 67ef39df8..80f1b8c21 100644
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diff --git a/application/basilisk/branding/unofficial/default32.png b/application/basilisk/branding/unofficial/default32.png
index 2f709e6b2..07519f5d6 100644
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diff --git a/application/basilisk/branding/unofficial/default48.png b/application/basilisk/branding/unofficial/default48.png
index 02a1e14c1..4247a13da 100644
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diff --git a/application/basilisk/branding/unofficial/document.icns b/application/basilisk/branding/unofficial/document.icns
index ff419f2f7..bc9d00771 100644
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diff --git a/application/basilisk/branding/unofficial/document.ico b/application/basilisk/branding/unofficial/document.ico
index 584a0a1bf..4d0c66e9d 100644
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diff --git a/application/basilisk/branding/unofficial/firefox.icns b/application/basilisk/branding/unofficial/firefox.icns
index 2c613634b..11a3c9cd6 100644
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diff --git a/application/basilisk/branding/unofficial/firefox.ico b/application/basilisk/branding/unofficial/firefox.ico
index 0c7acb61b..ae94612ad 100644
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diff --git a/application/basilisk/branding/unofficial/mozicon128.png b/application/basilisk/branding/unofficial/mozicon128.png
index 739b61084..fc11a4a41 100644
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diff --git a/application/basilisk/branding/unofficial/wizHeader.bmp b/application/basilisk/branding/unofficial/wizHeader.bmp
index f67b45239..f06cc5bc9 100644
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diff --git a/application/basilisk/branding/unofficial/wizHeaderRTL.bmp b/application/basilisk/branding/unofficial/wizHeaderRTL.bmp
index 7c57e461b..03ef5e5d0 100644
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diff --git a/application/basilisk/branding/unofficial/wizWatermark.bmp b/application/basilisk/branding/unofficial/wizWatermark.bmp
index 05f0e7f9b..61b8d7816 100644
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