Kiddos theme has some built-in classes for adding boxes with a dashed border around. Here is a list with the full description:
dashed_main |
Main color border (with 50% alpha). |
dashed_secondary |
Secondary color border (with 50% alpha). |
dashed_darkest dashed_dark |
Black border (with 50% / 20% alpha). |
dashed_light |
White border (with 50% alpha). |
dashed_1px_md dashed_2px_md dashed_3px_md |
1px width / 20px gap 2px width / 20px gap 3px width / 20px gap |
dashed_1px_lg dashed_2px_lg dashed_3px_lg |
1px width / 24px gap 2px width / 24px gap 3px width / 24px gap |