Font changes in HikaShop or my Template?

-- url of the page with the problem -- : apf.cloudaccess.net/dvd/discounted-bundles
-- HikaShop version -- : 2.4.0
-- Joomla version -- : 3.4.1
-- PHP version -- : 5.6.3
-- Browser(s) name and version -- : not browser dependant

I am wondering if
<span class="hikashop_product_price hikashop_product_price_0">$89.99</span>
and
<span class="hikashop_product_price_per_unit"> each</span>
is set up in Rasa2 or in HikaShop?

I just want to increase the size of the font.

Here is a page where you can see the price listing:

apf.cloudaccess.net/dvd/discounted-bundles

Sean

rasa2 is a joomlabamboo template base on rasa template.

1) <span class="hikashop_product_price hikashop_product_price_0">$89.99</span>
is ceate by hikashop
is not define so use hiearchy /cascade css ( CSS = Cascade Style Sheet)
define by the css file theme.anchpr-point-films-theme.css
at location
html body {
font-weight: 300;
font-size: 13px;
}


2) <span class="hikashop_product_price_per_unit"> each</span>
is create by hikashop
is define in theme.anchor-point-films-theme.css ( i don't know who define this css file)

.hikashop_product_price_per_unit {
font-size: 90%;
font-style: italic;
color: #999;
}

3) if rasa2 is a template with hikashop then rasa2 can override ( last end code ) css definition make by hikahsop. if hikashop don't define css content ( but create css selector) , it ll use the css define in rasa template if css HKS selector is use define in the rasa template ( ll not iccur if rasa is not a HKS template )

regard's

Thank you so much for taking the time to help me with this!!!

Sean