Make the GtkImage background transparent SL #3723
Make the GtkImage background transparent SL #3723

Signed-off-by: Manuel Quiñones <6f5069c5b6be23302a13accec56587944be09079@laptop.org>
Reviewed-by: Benjamin Berg <572dd672a0f699306c659055682b4b394d5e495b@sugarlabs.org>
Tested-by: Manuel Kaufmann <54d769c38f2aa6d2679b577ce2986fc3d1abeaba@gmail.com>
Acked-by: Simon Schampijer <088e16a1019277b15d58faf0541e11910eb756f6@laptop.org>

tchx84/debian-pkg-sugar-artwork,samdroid-apps/sugar-artwork,ceibal-tatu/sugar-artwork,i5o/sugar-artwork,tchx84/debian-pkg-sugar-artwork,godiard/sugar-artwork,godiard/sugar-artwork,sugarlabs/sugar-artwork,tchx84/debian-pkg-sugar-artwork,gusDuarte/sugar-artwork,ceibal-tatu/sugar-artwork,sugarlabs/sugar-artwork,i5o/sugar-artwork,ceibal-tatu/sugar-artwork,gusDuarte/sugar-artwork,i5o/sugar-artwork,godiard/sugar-artwork,gusDuarte/sugar-artwork,sugarlabs/sugar-artwork,gusDuarte/sugar-artwork,samdroid-apps/sugar-artwork,samdroid-apps/sugar-artwork