@font-face {

    font-family: Merienda Regular;

    src: url(../fonts/Merienda-Regular.ttf);

}
@font-face {

    font-family: Indie Flower;

    src: url(../fonts/IndieFlower.ttf);

}
@font-face {
   

    font-family: Archivo Narrow;

    src: url(../fonts/ArchivoNarrow-Regular.otf);

    src: url(../fonts/Archivo Narrow.eot?#iefix) format('embedded-opentype'),

         url(../fonts/Archivo Narrow.eot.woff)   format('woff');
}
#navi{ 
    /*padding-left: 0.5em;*/
    text-align: center;
   margin: 0 auto;
      vertical-align: middle;  
    }

ul.sidenav {
text-align: center;
    font: normal 1.2em 'Archivo Narrow'; 
    list-style-type: none;
    margin: auto;
    padding: 0;
    border-bottom: 1px solid #ccc;
    border-top: 1px solid #ccc;
    position: fixed;
    height: 100%;
    overflow: auto;
    margin-top: 0.0em; 
    font-weight: 500;
    
}

<ul.sidenav li a {

    display: block;
    color: #3399cc; 
    margin-left: 12px;
    text-decoration: none; 
}
 
ul.sidenav li a.active {
    background-color: #3399cc;
    color: white;
}

ul.sidenav li a:hover:not(.active) {
    background-color: #75b1d0;
    color: white;
}

@media screen and (max-width: 18000px){
    ul.sidenav {
        text-align: center;
        width:100%;
        height:auto;
        position:relative;
        }
    
    ul.sidenav li a {
        float: left;
        padding: 10px;
    } 
    
    
    ul.sidenavgelb li a {

    display: block;
    color: #f0c519; 
    margin: 4px 20px;
    text-decoration: none; 
}
 
ul.sidenavgelb li a.active {
    background-color: #f0c519;
    color: white;
}

ul.sidenavgelb li a:hover:not(.active) {
    background-color: #f6d862;
    color: white;
}

@media screen and (max-width: 18000px){
    ul.sidenav {
        text-align: left;
        width:100%;
        height:auto;
        position:relative;
        }
    
    ul.sidenav li a {
        float: left;
        padding: 10px;
    }
    
    
    
    div.content {margin-left:0;}
}

@media screen and (max-width: 400px){
    ul.sidenav li a {
        text-align: center;
        float: none;
    }

   
}
ul.ohne {
    display: block;
    list-style-type: none;
    margin: 0 0 0 -2.4em;
    font-weight: normal; 
}
    li.ohne {
    padding-bottom: 0.5em;
}
    ol {
    display: block;
   
    margin: 0 0 0 0;
    font-weight: normal; 
}
  ol li {
    padding-bottom: 0.5em;
}
    
img {max-width: 100%; height: auto; border: 0px solid #fff;/*box-shadow: 3px 3px #b5afaf;*/}

#oben{   
    padding-top:0.5em; 
      padding-bottom:0.5em;
  /*border-bottom: 1px solid #cccccc;*/
    padding-left: 0.7em;	
    text-align: center;
    }

#kopf a{

    text-decoration:none;
    color: #000000;
    /* color: #3f3f82; */
    line-height:1em,
    list-style:none;
     font: normal 2.5em 'Archivo Narrow';
    
}
#praxis a{
    text-align: center;
    margin-top:0.1em;
    text-decoration:none; 
    padding-left:0.1em;
    color: #3f3f82; 
    font: normal 1.8em 'Archivo Narrow';
    letter-spacing: 0.05em;
    list-style:none;
}

    #praxisinfo a{
    text-align: center;
    margin-top:0.1em;
    text-decoration:none; 
    padding-left:0.1em;
    color: #cc9900; 
    font: normal 1.8em 'Archivo Narrow';
    letter-spacing: 0.05em;
    list-style:none;
}
        #forschunginfo a{
    text-align: center;
    margin-top:0.1em;
    text-decoration:none; 
    padding-left:0.1em;
    /*color: #5166ab; */
                color: #3894c3; 
          
    font: normal 1.8em 'Archivo Narrow';
    letter-spacing: 0.05em;
    list-style:none;
}



a { color: #3399cc; 
    text-decoration: underline; }
    
 .gruen a{ 
  color: #669966;
  text-decoration-line: underline;
    }
     .orange a{ 
  color: #cc6633;
  text-decoration-line: underline;
    }
    
    .gelb a{ 
    background-color: #fef7d0;
  font: normal 1.6em 'Archivo Narrow'; 
  padding: 0.2em 1.6em 0.2em 1.6em;
  color: #cc9900;
  line-height: 1.6em; 
  border-radius: 30px;  
     border: 3px solid #cc9900;
     text-decoration-line: none; 
    box-shadow: 10px 10px 10px silver;
    }
     
    
    .blau a{ 
    background-color: #d4dee8;
  font: normal 1.6em 'Archivo Narrow'; 
  padding: 0.2em 0.8em 0.2em 0.8em;
  color:#3399cc;
  line-height: 1.6em; 
  border-radius: 30px; 
  border: 3px solid #3894c3;
  text-decoration-line: none;
        box-shadow: 10px 10px 15px silver;
    }
        
   
.skip { 
  position: absolute;
  margin-left: -999px;
  width: 990px;
}
#skipnav {
    position: absolute;
    left: -2000px;
    z-index: 3000;
}
#skipnav a {
    color: #fff;
    font-weight: 500;
    text-decoration: none;
    font-size: 1em;
}



/* - Der Hauptinhaltsteil - */
#inhalt{
    text-align: left;
    margin-left: 1em;
    font-size: 1.1em;
    }

h1 
{ 
  color: #666;
     font: normal 1.8em 'Archivo Narrow';
  /*font: normal 2.0em 'Archivo Narrow'; */
  margin-top:0.8em;
  margin-bottom:-0.3em;
}

h2 
  {
  font: normal 1.4em 'Archivo Narrow';	  
  color:  #666; 
  margin-bottom:-0.4em;

}

h3 {
    font: normal 1.3em 'Archivo Narrow';	
  color:  #666;
    margin-bottom:-0.4em;
}
h4 {
    font: normal 1.1em 'Archivo Narrow';	
  color:  #666;
    margin-bottom:-0.4em;
}

.anmerkung {
 
  margin-top:0.3em;
  margin-bottom:1em;
  color:  #333;
  font-size: 0.8em;
  line-height: 1.4em;
  font-family: Verdana, arial, sans-serif;
    }
    .anmerkungschwarz {
  margin-top:0.3em;
  margin-bottom:1em;
  color:  #666;
  font-size: 0.8em;
  line-height: 1.4em;
  font-style: italic;
  font-weight: 800;
  font-family: Verdana, arial, sans-serif;
}

#inhalt .foto-rechts{
  float:right;
    padding-top:1.5em;
    padding-right: 1.5em; 
    padding-bottom: 1em;
    text-align: right;
    width: 200px;
}

table 
  {
   margin-left:1.3em;
   padding-right:1.3em;
   height:auto;
}

table td  
  {margin-top:0.5em;
   vertical-align: top;
   padding-top:0.4em;
   height:auto;
}

.fleft { 
  float: left;
  margin: 0 1em 0.2em 0; 
}
.fright {
  float: right;
  margin: 0 0 0.2em 1em;
  padding: 1px;
}
#maintitel .foto-links{
  float:left;
  margin-right: 10px;
}

.rechts{
text-align:right; font-style:italic;
}

/* -- Layoutspezifisches -- */
body 
{
  margin: 0;
  padding: 1%; 
  min-width: auto;
  font-size: 100%;
  line-height: 1.8em;
  color:  #666;
  font-family: arial, sans-serif;
  letter-spacing:0.02em;
    background-repeat: no-repeat;
    background-position: top left;
}
    
.blauhinten
{
  margin: 0;
  padding: 1%; 
  min-width: auto;
  font-size: 100%;
  line-height: 1.8em;
  color:  #666;
  font-family: arial, sans-serif;
  letter-spacing:0.02em;
    background-repeat: no-repeat;
    background-position: top left;
    background-color: #d4dee8; 
}
    
  .gelbhinten
{
  margin: 0;
  padding: 1%; 
  min-width: auto;
  font-size: 100%;
  line-height: 1.8em;
  color:  #666;
  font-family: arial, sans-serif;
  letter-spacing:0.02em;
    background-repeat: no-repeat;
    background-position: top left;
    background-color: #f9ebb2; 
}
    
.gruenhinten
{
  margin: 0;
  padding: 1%; 
  min-width: auto;
  font-size: 100%;
  line-height: 1.8em;
  color:  #666;
  font-family: arial, sans-serif;
  letter-spacing:0.02em;
    background-repeat: no-repeat;
    background-position: top left;
    background-color: #d5efb3; 
}
    
#container { 
    border-radius: 20px;
  border: 7px #f8f9f9 solid;
  /*box-shadow: 3px 3px 8px #b5afaf;*/
  font-size: 1.0em; 
  max-width:95%;
  margin: auto; 
  /*padding-left:1em;*/
  padding-right:1em;
  padding-bottom:1em; 
  background-color: #f8f9f9;
   /* border: 4px solid #fff;*/
}

.trennung {
   -ms-hyphens: auto;
   -moz-hyphens: auto;
   -webkit-hyphens: auto;
    hyphens: auto;
      }
      
    
/*#header img{
	padding-top: 2em;
	margin-top:-1.5em;
    border:none;
    text-align:left;
    }*/

/*#main {
  margin-left: 1em;
  width:62em;
  line-height: 1.5em; 
  margin-bottom:1.5em;
    

}

#maintitel {
  margin-left: 1em;
  width:62em;
  line-height: 1.5em; 
}

#map {
  margin-bottom: 1em;
    }*/

#footer {
    border-top: 1px solid #cccccc;
 padding-top: 1em;
padding-bottom: 1em;
  margin: auto; 
  text-align:center;
  clear: both; 
  font: 0.8em trebuchet,helvetica,arial,sans-serif; color:#3f3f82;
  /*white-space:nowrap;*/
    /*border-bottom: 3px solid #ccc;
    border-top: 3px solid #ccc;*/
  
}

  @media print {
 .nichtdrucken {
 display: none;
 }
      
      
}