adjust border colors
MODIFY
WalletWasabi.Fluent/Styles/Themes/BaseDark.axaml
WalletWasabi.Fluent/Styles/Themes/BaseDark.axaml
<BoxShadows x:Key="OptionButtonShadow">0 2 2 #121212</BoxShadows>
<BoxShadows x:Key="OptimizePrivacyOptionBoxShadow1">0 6 16 0 #22000000</BoxShadows>
- <BoxShadows x:Key="OptimizePrivacyOptionBoxShadow2">0 12 32 0 #4A000000</BoxShadows>
+ <BoxShadows x:Key="OptimizePrivacyOptionBoxShadow2">0 9 23 0 #4A000000</BoxShadows>
</Styles.Resources>
<StyleInclude Source="avares://Avalonia.Themes.Fluent/FluentDark.xaml" />

MODIFY
WalletWasabi.Fluent/Styles/Themes/BaseLight.axaml
WalletWasabi.Fluent/Styles/Themes/BaseLight.axaml
<BoxShadows x:Key="BoxShadow">0 1 4 #D1D1D1</BoxShadows>
<BoxShadows x:Key="OptionButtonShadow">0 2 2 #D1D1D1</BoxShadows>
- <BoxShadows x:Key="OptimizePrivacyOptionBoxShadow1">0 6 16 0 #23556726</BoxShadows>
- <BoxShadows x:Key="OptimizePrivacyOptionBoxShadow2">0 12 32 0 #49556726</BoxShadows>
+ <BoxShadows x:Key="OptimizePrivacyOptionBoxShadow1">0 6 16 0 #22000000</BoxShadows>
+ <BoxShadows x:Key="OptimizePrivacyOptionBoxShadow2">0 9 23 0 #4A000000</BoxShadows>
</Styles.Resources>
<StyleInclude Source="avares://Avalonia.Themes.Fluent/FluentLight.xaml" />

adjust border colors