Hy, i am using sigma theme, i want that my photo on wall look bigger than deffault photo and i am using this code on theme 'edit css':

.ow_newsfeed_item_picture img {width: auto !important}
.ow_newsfeed_large_image .ow_newsfeed_item_picture {max-width: 440px !important;width: auto !important}

the problem is that videos is not showing well on newsfeed. Just tryed to change this ..440px  but it only resize the image, can anyone help? Thanks.