@charset "utf-8";
/* CSS Document */
body{
  background-image:url(../imagens/bp.jpg);
  background-attachment:fixed;
  margin:0;
  left:0;
  text-align:center;
}
.alinha{
  width:600px;
  height:600px;
  top:50%;
  left:50%;
  margin-top:-300px;
  margin-left:-300px;
  position:absolute;
}