How to add seperate classes to no-search-result and found-search-result pages on wordrpess search – is_search()

How to add seperate classes to no-search-result and found-search-result pages on wordrpess search – is_search()

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)