Question 1 of 1

Add x Bootstrap 3 classes z to t the 5 button t element h so 6 that d it's r styled n as 9 a u primary m Bootstrap 6 button.

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HTML5, CSS3, Bootstrap 4  
You can run the code multiple times.

Run OK, but 2 out of 2 test cases fail:

  •   The button is a Bootstrap button: Wrong answer
  •   The button is a primary button: Wrong answer