I am trying to edit css 
`"css_pF25-gpJPC5E_dzDNqsHs9AriR_AGzKkzgs-0VLNBgI.css"`
 when me put any my css in above file like `float:left` no effect appear in front-end and ,
Why the css file name is too complicated in drupal , what should I do ?
it is in drupal it contain in **"C:\xampp\htdocs\drupal\_1\sites\default\files\css"**