기본 형태! BoxDecoration decoration: BoxDecoration( borderRadius: BorderRadius.circular(8), border: Border.all( width: 2, color: Colors,black, ),) - 아래만 (일부만) 테두리 border: Border( bottom: BorderSide( color: Colors.black, width: 2, ),),- 오른쪽, 위쪽만 border 만들기border: Border( right: BorderSide( color: Colors.black, width: 2, ), top: BorderSide( ..
