Bootstrap 4 .border-danger class

Use the border-danger class to set a red border to an element.

Set the border-danger class to an element as if we include any other class ?

  Red Border

Above, we have also set another class "new", to style the element ?

You can try to run the following code to implement the border-danger class ?

Example

  
    
    
    
    
    
    
    
  



  
Rectangle with red border:
  
Red Border