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1 · Course Introduction
2 · Course Description
3 · Course Tabs
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Template
Page headings
Features section
Call to action
Preview
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Above "Read More" — always visible

    

    

    

    
Below "Read More" — expandable blocks

    

    
    
    
  

  

    

      
Preview

      
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      Tabs
      
    

    

    

    
  

  

    

      
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Connection status

    

      ✓ Banner updates are published securely via the server. No credentials needed here — the GitHub token is stored as a Vercel environment variable and never exposed to the browser.
    


    
Banner settings

    

    

    

    


    
Countdown timer

    

      

      

      

      

    

    

      Timer counts down from now + the values above. When it expires the banner stays visible but the timer stops. You can reset it anytime by publishing new values.
    


    
Visibility

    

      
      
    


    
Banner colours

    

      

      

      

      

    


    
    

    
Inject script

    

      Paste this script once into each Zenler course page custom HTML block. All future banner updates via "Publish" apply automatically — no need to re-paste.