how we adjust the padding

-- HikaShop version -- : 2.6.1
-- Joomla version -- : 3.4.8
-- PHP version -- : 5.5.32
-- Browser(s) name and version -- : Chrome
-- Error-message(debug-mod must be tuned on) -- : Hello, there is no error, i'm asking how we can adjustment to the padding
see attachment

Hello, there is no error, i'm asking how we can adjustment to the padding
see attachment
the distance between the picture and the item name its long! how we can make it shorter ?

where should i add this line?
thanks