/* CSS Document */

  body {
    font-family: 'Roboto', sans-serif;
  }
  .toggle {
    z-index: 100;
  	position: fixed;
  	padding-left: 15px;
 	padding-top: 9px;
    color: #ffed00;
    height: 20px;
    line-height: 72px;
    text-align: left;
    width: 40px;
  }
  .toggle:hover {
    z-index: 100;
  	position: fixed;
  	padding-left: 15px;
 	padding-top: 9px;
    color: #ce3c2b;
    height: 50px;
    line-height: 72px;
    text-align: left;
    width: 20px;
	 text-shadow: -1px -1px 0 #ffffff, 1px -1px 0 #ffffff, -1px 1px 0 #ffffff, 1px 1px 0 #ffffff; 
	}/**/
	
h1 { margin:30px auto; text-align:right;}
  
<style>
#parent
{
  position: relative;
}
 
#child_1, #child_2, Schild_3
{
  width: 40px;
  height: 30px;
  position: absolute;
  <img src="MimagesBM/Banner/BM-Banner-neu.png">
}
 
#child_1
{
  background-color: black;
}
 
#child_2
{
  background-color: #424242;
  width: 100%;
  height: 36px;
  position: fixed;
  background-image: url(../MimagesBM/Banner/BM-Banner-rg.png);       /*    Hintergrund Navigation rechts und links */
  background-size: auto 38px;
  float: right;
  margin-left: 32px;
  margin-bottom: 10px;
  background-repeat: no-repeat;
  background-position: 15px 70%;
  z-index: 3;
}

#child_3
{
  background-color: white;
  width: 100%;
  height: 1px;
  margin-top: 36px;
  position: fixed;
  float: right;
}


#child_1
{
  background-color: #424242;
  z-index: 2;
}
 
#child_2
{
  background-color: #424242;
  z-index: 1;
}

#child_3
{
  background-color: #616161;
  z-index: 300;
}