thanks for reply...
I've removed the style that I created in the database and I also removed other styles.
Thank you.
styleid title parentid parentlist userselect displayorder dateline type 127Default -2 127,-2 1 1 1417632056 mobile 64default2 -1 64,-1,-2 1 1 1417631907 mobile 97Mobile Style Premium -2 97,-2 1 1 1417632056 mobile 109Default V2 -1 109,-1 1 1 1417610994 standard 110Default Mobile Style -2 110,-2 0 1 1417632056 mobile