Use the reference page to find and use the Coolors Color Scheme generator to change the spacer class and the called class

Kirk's Bingo Board #1

0124392920
0434310722
1910350825
1523212612
3337300614

Kirk's Bingo Board #2

2817180730
3727211401
1939223213
0525332324
2026040231

Kirk's Bingo Board #3

0806322136
4030352329
0418263119
0116030510
1239242702

Kirk's Bingo Board #4

3036160340
1034213715
3308321404
2218271135
0723131224