how to remove browse text and decrease the size browse button of fileupload control in asp.net

Question

hi, iam using asp.net with c#,
 
 i want  to remove  browse text and decrease the size browse button  of fileupload control in asp.net
 
i want to place like  dot .... like  symbol in place of browse text and decrease the size of  browse button .
can you give example which helps me