Fixed a bit CSS of users/edit
Fixed a bit CSS of users/edit

Colored the "delete" button in red and changed some paddings, size, etc.

shashank19gaurav/tatoeba2,Tatoeba/tatoeba2,shashank19gaurav/tatoeba2,shashank19gaurav/tatoeba2,Tatoeba/tatoeba2,Tatoeba/tatoeba2,Tatoeba/tatoeba2,Tatoeba/tatoeba2,shashank19gaurav/tatoeba2