https://4.bp.blogspot.com/-0ty63pVG-_M/WqMY-cxNLvI/AAAAAAAAAI0/5uZraUfDqhc7qXfD4SUd4y-QWs-Vt3rFwCEwYBhgL/s1600/website-yukselme-temel-ipuclar-nelerdir-manset.jpg) no-repeat center center; background-size:cover">
bu kodda background-size:cover yerine background-size:100% 100% yap kaynak koddan baktığım zaman düzeliyor
