Header with both alternating row colours and thick outer border with thin inside borders
[table="width: 500, class: head alt1 alt2 thick_outer_border_grid"]
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111111 |
111111 |
111111 |
111111 |
111111 |
111111 |
111111 |
111111 |
111111 |
111111 |
111111 |
111111 |
111111 |
111111 |
111111 |
111111 |
111111 |
111111 |