Styling a Webform is more or less like styling any other ordinary HTML form. Often you would like to change the style of the submit button and replace it with an image via code in your Drupal website. Although this is extremely easy it might cause the button to stop working, forcing it to reload and fail to show the confirmation message.
Sample code in your .module file for Drupal 7 as follow :-
Many people are facing this problem that how to show youtube videos in field in drupal site but do not want to show playlist with rendered video.
It is very easy to remove playlist if you use youtube videos links with ?rel=0 at the end of video link!
example :- http://www.youtube.com/watch?v=dPXFTxNrXEI?rel=0
Some of the site needs email as sername for their Drupal site. Email Registration module helps to get rid of that problem.
but it saves username from the email address whatever that is before @.
example : email@example.com save username as : takim.islam