how to center a row in bootstrap code example

Example 1: bootstrap col center content

    

        // for image and text
    

Example 2: centralize div bootstrap

    
This will be centered vertically and horizontally

Example 3: bootstrap 4 center div

...
...
...
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Example 4: align eliment in center of row bootstrap

  ...inner divs and content...

Example 5: bootstrap center align columns

    

        // Add Content
    
    

        // Add Content
    
    

        // Add Content