body {
  background-color: #0000FF; z-index:-1;
  background-image: url("Hintergrund-Index.jpg");background-repeat: no-repeat;
  float: left;
}

#picture2 {
 position:absolute; z-index:1;
 top: 1%;
left: 25%;
 float: left;
}

#picture4 {
 position:absolute; z-index:1;
 bottom: 13%;
 left: 70%;
 float: left;
}

#picture5 {
 position:absolute; z-index:1;
 bottom: 4%;
 left: 50%;
 float: left;
}

#picture6 {
 position:absolute; z-index:-1;
 bottom: 4%;
 left: 10%;
 float: left;
}

#picture7 {
 position:absolute; z-index:-1;
 bottom: 5%;
 left: 64%;
 float: left;
}

#picture8 {
 position:absolute; z-index:1;
 bottom: 0%;
 left: 0%;
}

#picture9 {
 position: absolute; z-index:1; 
 bottom: 13%;
 left: 40%;
 float: left;
}

#picture10 {
 position: absolute; z-index:1;
 bottom: 1%;
 left: 25%;
 float: left;
}
#voice4b42 {
 position:absolute; z-index: 1;
top: 86%;
left: 2%;
 overflow: hidden;
 float: none;
}
img { border:none }