Flexslider Advertisements

Can I pick your brain. I'm using your flexslider code to create an advertisements carousel. I have the top one which is this one below. Can I ask, is it possible to remove the dots on the image showing how many images there are?

  
    
      
        
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![attachment](image-url-1)
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![attachment](image-url-2)
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![attachment](image-url-3)
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And I also created another one for internal advertisements, which is this code below but I can't for the life of me center the image in the col-12. It is always to the left. Are you able to provide guidance on this?

  
    
      
        
          
            
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![attachment](image-url-1)
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![attachment](image-url-2)
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![attachment](image-url-3)
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Is this the best way to use this code to create advertisements slots. I have attached a link to a page showing how I might show them.

You can close this. I have sorted it.