YouTip

# Bootstrap4 Modal A Modal is a child window that overlays on top of the parent window. Typically, the purpose is to display content from a separate source, allowing for some interaction without leaving the parent window. The child window can provide information, interaction, etc. * * * ## How to Create a Modal The following example creates a simple modal effect: ## Example Open Modal [Try it »](#) * * * ## Modal Sizes We can create a small modal by adding the `.modal-sm` class, and a large modal by adding the `.modal-lg` class. The size classes are placed after the `.modal-dialog` class on the `