flutter

https://api.flutter.dev/flutter/material/ButtonStyle-class.html

ElevatedButton Background Color
https://googleflutter.com/flutter-elevated-button-background-color/

Elevation
https://www.flutterbeads.com/elevation-on-container-widget-in-flutter/

profile - circleAvatar
https://youtu.be/x2PCH--Un9w

ListTile
https://api.flutter.dev/flutter/material/ListTile-class.html

flexible. Expanded
https://velog.io/@steadygo247/FlutterExpandedFlexible

color - opacity
https://www.flutterbeads.com/using-hexadecimal-color-code-flutter/

bottomNavigationBar icon
https://www.youtube.com/watch?v=2UG4rdsCZKU

구조위젯 과 기타설정
https://velog.io/@knh4300/%EA%B5%AC%EC%A1%B0-%EC%9C%84%EC%A0%AF%EA%B3%BC-%EA%B8%B0%ED%83%80-%EC%84%A4%EC%A0%95

미디어쿼리
https://daldalhanstory.tistory.com/257

https://www.youtube.com/watch?v=GKhgmhRb3hU

Boxdecoration (border, boxshadow, BorderRadius, blendmode, gradient, repeat, shape 등)
https://medium.com/jlouage/flutter-boxdecoration-cheat-sheet-72cedaa1ba20

padding
https://www.youtube.com/watch?v=d9wQuxPZ494
Edgelnsets > lerp static method
https://api.flutter.dev/flutter/painting/EdgeInsets/lerp.html

constraint(제약)
https://theoryof0.tistory.com/105