update

install.sh

@@ -434,7 +434,7 @@ while [[ $# -gt 0 ]]; do
  shift
  ;;
  -l|--libadwaita)
- libadwaita="true"
+ libadwaita='true'
  shift
  ;;
  -r|--remove|-u|--uninstall)
@@ -741,6 +741,7 @@ if [[ "${gdm:-}" == 'true' && "${remove:-}" != 'true' && "$UID" -eq "$ROOT_UID"
  echo -e 'Error: To install a gdm theme you can only select one color'
  exit 1
  fi
+
  if [[ "${#themes[@]}" -gt 1 ]]; then
  echo -e 'Error: To install a gdm theme you can only select one theme'
  exit 1

src/_sass/gtk/_common-3.0.scss

@@ -3310,6 +3310,12 @@ messagedialog { // Message Dialog styling
  }
 }
 
+.aboutdialog {
+ &.background.csd {
+ border-radius: 0 0 $corner_radius $corner_radius;
+ }
+}
+
 //
 // Filechooser
 //

src/gtk/theme-3.0/gtk-Dark.css

@@ -4368,6 +4368,10 @@ messagedialog.csd.background {
  border: none;
 }
 
+.aboutdialog.background.csd {
+ border-radius: 0 0 0 0;
+}
+
 filechooser .dialog-action-box {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
 }

src/gtk/theme-3.0/gtk-Light.css

@@ -4346,6 +4346,10 @@ messagedialog.csd.background {
  border: none;
 }
 
+.aboutdialog.background.csd {
+ border-radius: 0 0 0 0;
+}
+
 filechooser .dialog-action-box {
  border-top: 1px solid rgba(0, 0, 0, 0.12);
 }

src/gtk/theme-3.0/gtk.css

@@ -4362,6 +4362,10 @@ messagedialog.csd.background {
  border: none;
 }
 
+.aboutdialog.background.csd {
+ border-radius: 0 0 0 0;
+}
+
 filechooser .dialog-action-box {
  border-top: 1px solid rgba(0, 0, 0, 0.12);
 }