Border
border.Border class has the following properties describing 4 sides of the rectangle:
toprightbottomleft
Each side of the border is described by an instance of border.BorderSide class. The value of border property is an instance of border.Border class describing all 4 sides of the rectangle. Helper methods available to set border styles:
border.all(width, color)border.symmetric(vertical: BorderSide, horizontal: BorderSide)border.only(left: BorderSide, top: BorderSide, right: BorderSide, bottom: BorderSide).
For example:
container_1.border = ft.border.all(10, ft.colors.PINK_600)
container_1.border = ft.border.only(bottom=ft.border.BorderSide(1, "black"))