Custom change in one page (viewforum.php)

[SinteL]

Title/Job Description: Custom change in one page

Target audience: (e.g. professionals, hobbyists, students) Someone familiar with design and custom phpbb pages

Reward: (e. g. money, backlinks, fame) money

Deadline: 10 December 2020

Preferred contact method: (e.g. PM, e-mail) PM and then mails or discord.

Link to the board: http://teach.coreark.com/

Detailed description of the tasks:
At the main page (index\board page) i have the forums order in a line, at the viewforum page i have them order in rows.
I need help to change the order like the main page (by line)