RD - Welcome page table columns run together

[WhatsChrisDoing]

Some events (Toronto, Minneapolis, Boise) use a table on the welcome page. The responsive styling has reduced the white space in the table. The two columns nearly touch and the table rows have lost their vertical spacing. There are no special styling used on the tables.

[bridgetkromhout]

Nice-to-have but not a deal-breaker for the merge.

[bridgetkromhout]

Before:

After my proposed correction in #526:

[bridgetkromhout]

If @mattstratton thinks this is a good approach, I can change it everywhere else it's an issue including the sample event.

[mattstratton]

👍

[bridgetkromhout]

Updated for every current event but AMS in #532.