You should use an h2 element selector to target the h2 elements.

#1

h1, h2{
font-family: Verdana, Tahoma;
border-bottom: 4px solid #dfdfe2;
}

#2

Hi please use the “Ask For Help” Button when you are stuck with the problem.
That way a tempalte will be generated to you and you will be lead to the correct sub-forums.

Lots of people will be able to help you that way!

Cheers