How can I position my div at the bottom of its container?

Answer 1

 #container{width:100%; float:left; position:relative;}
#copyright{position:absolute; bottom:0px; left:0px; background:#F00; width:100%;}
#container{background:gray; height:100px;}

  
  

    Copyright Foo web designs
  

  
  

    Copyright Foo web designs