Consultation about the name in bold font (Design/Themes)

by Solis , Urumqi, Xinjiang, China 中国新疆乌鲁木齐, Monday, February 27, 2017, 10:59 (876 days ago)
edited by Solis, Monday, February 27, 2017, 11:37

In the forum index page, the user name in bold font is too thick, like this:

I want use the normal font for the user name, like this:

But I can't find the codes for it.

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I speak Chinese & Esperanto.
我说汉语和世界语。
Mi parolas ĉine kaj Esperante.
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http://reto.cn
my forum using MLF
http://reto.cn/forum