Custom Text Field Flutter

    Container(
      child: Column(
        children: <Widget>[
          TextFormField(
            maxLines: 1,
            obscureText: false,
           
            autovalidate: false,
            style: TextStyle(
              fontSize: 18,
              fontWeight: FontWeight.w400,
              color: Color(0xFF1F2933),
            ),
            decoration: InputDecoration(
              labelText: label,
              fillColor: Colors.white,
              filled: true,
              labelStyle: TextStyle(
                fontSize: 18,
                fontWeight: FontWeight.w400,
                color: Colors.black,
              ),
              hasFloatingPlaceholder: false,
              enabledBorder: OutlineInputBorder(
                  borderSide: BorderSide(
                color: Color(0xFFCBD2D9),
                width: 1,
              )),
              focusedBorder: OutlineInputBorder(
                  borderSide: BorderSide(
                      color:
                          Colors.green,
                      width: 1,
                      style: BorderStyle.solid)),
              contentPadding: EdgeInsets.all(16),
            ),
          ),
          Visibility(
            visible: isError,
            child: Padding(
              padding: const EdgeInsets.only(top:8.0),
              child: Row(
                mainAxisAlignment: MainAxisAlignment.start,
                crossAxisAlignment: CrossAxisAlignment.center,
                children: <Widget>[
                  Icon(
                    Icons.info,
                    color: Colors.red,
                    size: 18,
                  ),
                  SizedBox(width: 2),
                  
                ],
              ),
            ),
          )
        ],
      ),
    )