.header {
  background:#1a96d4 url('../img/header/middag/centertop.jpg') left top no-repeat;
}

.body_left {
  background:url('../img/header/middag/bg_lefttop.jpg') right top repeat-x;
}
.body_left .wolk {
  background:url('../img/header/middag/lefttop.jpg') right top no-repeat;
}

.body_right {
  background:url('../img/header/middag/bg_righttop.jpg') left top repeat-x;
}
.body_right .wolk {
  background:url('../img/header/middag/righttop.jpg') left top no-repeat;
}