Container(
decoration: BoxDecoration(
border: Border.all(
color: Colors.red, // red as border color
),
),
child: Text("Your text...")
)decoration: BoxDecoration(
border: Border(
top: BorderSide(width: 16.0, color: Colors.lightBlue.shade600),
bottom: BorderSide(width: 16.0, color: Colors.lightBlue.shade900),
),
color: Colors.white,
),new Container(
margin: const EdgeInsets.all(15.0),
padding: const EdgeInsets.all(3.0),
decoration: BoxDecoration(
border: Border.all(color: Colors.blueAccent)
),
child: Text("My Awesome Border"),
)