I've got a HTML/CSS code, which reacts a little weird (in my opinion). Or I just don't understand inheritance of styles.
The following code snippet is what causes the problem:

You can see I've got a table with the class formula. and on the right side you can see that every table.formular td gets a padding.
Below, in one of the tds of the formular table I've got a new table with the class tabelle-rubrikbar. This table contains a td with the class customSearch-InnerTable-td which should overwrite the padding. But in this case the inherited formular td is overwriting the customSearch-InnerTable-td.