title: Does opacity:0 have exactly the same effect as visibility:hidden
body: <p>If so, does it effectively deprecate the <code>visibility</code> property?</p>
  
  <p>(I realize that Internet Explorer does not yet support this CSS2 property.)
  <br/>
  <a href="http://en.wikipedia.org/wiki/Comparison_of_layout_engines_(CSS)#Properties" rel="noreferrer">Comparisons of layout engines</a></p>
  
  <p><a href="https://stackoverflow.com/questions/133051/what-is-the-difference-between-visibilityhidden-and-displaynone">See also: What is the difference between visibility:hidden and display:none</a></p>