space on the post

Hi Sakin, Please, can do check my page: http://www.idaat.se/%D9%86%D8%A8%D8%B0%D8%A7%D8%AA-%D8%B1%D9%88%D8%AD%D9%8A%D8%A9/ There is a big space between my youtube and the bottom my my post? How can i fix this issue ?please Regards A.J.