Description:
Add block for login or register on thread view bottom.

Features:

• option to open button register/login in an overlay
• option to show block for login and register on forum view below thread list
• all texts are fully phrased (check phrases for this add-on to edit)
• highly customizable in style properties (change background color for each block separately, style title and description, change icon, style buttons etc.)
• responsive

Some screens (see a demo on customizexf.com):