- Rows must be placed within a .container (fixed-width) or .container-fluid (full-width) for proper alignment and padding.
- Use rows to create horizontal groups of columns.
- Content should be placed within columns, and only columns may be immediate children of rows.
Pomijasz część struktury grida, .container bez dziecka .row owocuje pojawieniem się niechcianych marginesów/paddingów.