Install web developer add on in firefox and disable all script from drop down menu then refresh the page. see the result it is not moving to the video , it means there is some javascript code in your theme that make it to move down to the video.
Install web developer add on in firefox and disable all script from drop down menu then refresh the page. see the result it is not moving to the video , it means there is some javascript code in your theme that make it to move down to the video.