* {
    margin: 0;
    padding: 0;
}
 
html, body {
    height: 100%;
}
#kopf {
  height: 50%;
  margin: 10px;
  background-color: #white;
}
#mitte {
  position: relative;
  width: 60%;
}

#inhalt {
  margin: 0px 180px;
  background-color: #white;
  padding-bottom: 3em;
}
#links {
  position: absolute;
  top: 0px;
  left: 10px;
  width: 160px;
  height: 300px;
  background-color: #white;
}
#rechts {
  position: absolute;
  top: 0px;
  right: 10px;
  width: 160px;
  height: 300px;
  background-color: #white;
}
#footer {
    position:absolute;  /* sticky hat absolute ersetzt 20191101   */
    bottom: 0;
    width: 100%;
    height: 3em;    
    background-color: #white;
}
#f_left {     /* Linke Spalte mit 33% Breite und float:left */
    width: 33%;
    float: left;
    padding: 15px 0px 0px 10px;
    margin: 0px auto 0px auto;
    text-align: left;
}
#f_center {   /* Mittlere Spalte mit 33% Breite und float:left */
    width: 33%;
    float: left;
    padding: 15px 0px 0px 0px;
    margin: 0px auto 0px auto;
    text-align: center;
}
#f_right {    /* Rechte Spalte ohne feste Breite und float:right */
    width: auto;
    float: right;
    padding: 15px 10px 0px 0px;
    margin: 0px auto 0px auto;
    text-align: right;
}
#f_clear {    /* Beendet den Float-Bereich */
    clear: both;
}


h1 {
position: relative;
left: 5%;
text-shadow: 1px 1px 3px gray;
}
main {
position: relative;
left: 5%;
}

ul.menu {
list-style-type: none!important;
padding-left: 0px!important;
border-top: 1px solid #aeaeae;
}
.menu li {
display: inline-block!important;
margin-right: 20px!important;
}
.menu li a {
text-decoration: none;
color: black;
}
.menu li a:hover {
border-bottom: 2px solid #aeaeae;
color: #aeaeae;
}

/*Linie zeichnen*/
hr {
border: none;
border-top: 1px solid #grey;
color: #FFFFFF;
background-color: #FFFFFF;
height: 1px;
}
.line{
border: none;
border-top: 1px solid #grey;
color: #FFFFFF;
background-color: #FFFFFF;
height: 1px;
margin: 0px 80px 0px 80px;
}