body {
  margin: 0px;
  padding: 0px;
  background-color: #b8b8b8;
}

#outer {width: 100%;}
#outer[id] {display: table; position: static;}

#middle {position: absolute;} /* for explorer only*/
#middle[id] {display: table-cell; vertical-align: middle; position: static;}

#inner {position: relative; width:100%; text-align:center} /* for explorer only */
/* optional: #inner[id] {position: static;} */