html - How to set footer to bottom of page -

this question has answer here:

• make div stay @ bottom of page's content time when there scrollbars 10 answers

footer @ bottom of page

i created responsive webpage in bootstrap3, need set footer on bottom of page, position fixed has problem in desktop

use

#footer {     position: fixed;     bottom: 0;     width: 100%; } 

and possible duplicate of make div stay @ bottom of page's content time when there scrollbars