How to customise style Image - whistyun/Markdown.Avalonia GitHub Wiki
All Image are created as CImage which can customise class your self. Markdown.Avalonia treat title as class.

<!--
xmlns:ctxt="clr-namespace:ColorTextBlock.Avalonia;assembly=ColorTextBlock.Avalonia"
-->
<Style Selector="ctxt|CImage.Tall">
<Setter Property="LayoutWidth" Value="50"/>
<Setter Property="LayoutHeight" Value="100"/>
</Style>
<Style Selector="ctxt|CImage.Wide">
<Setter Property="LayoutWidth" Value="100"/>
<Setter Property="LayoutHeight" Value="50"/>
</Style>
<Style Selector="ctxt|CImage.Small">
<Setter Property="LayoutWidth" Value="50"/>
<Setter Property="LayoutHeight" Value="50"/>
</Style>




- LayoutWidth
- LayoutHeight