body, .geral{
  filter:none; background: url(http://2.bp.blogspot.com/-hbPIAfnKCGs/T5gIG-wsdgI/AAAAAAAAAI0/xO4FgfZNUpc/s0/background_dai_drum_outline-copy.jpg) no-repeat center center fixed; -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;
}