html { 
  box-sizing: border-box; 
  background: #d5d5d5;	
} 

*, ::before, ::after { 
  box-sizing: inherit; 
}
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/lato-v16-latin-regular.eot'); /* IE9 Compat Modes */
  src: local('Lato Regular'), local('Lato-Regular'),
       url('/fonts/lato-v16-latin-regular.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
       url('/fonts/lato-v16-latin-regular.woff2') format('woff2'), /* Super Modern Browsers */
       url('/fonts/lato-v16-latin-regular.woff') format('woff'), /* Modern Browsers */
       url('/fonts/lato-v16-latin-regular.ttf') format('truetype'), /* Safari, Android, iOS */
       url('/fonts/lato-v16-latin-regular.svg#Lato') format('svg'); /* Legacy iOS */
}
body {
	max-width: 70em;
	margin:0 auto;
	padding: 0;
	background: #fff;	
	color: #333; 
	font-family: Lato;
        font-size: 1.2em;
}

header {
	position: relative;		
	height: 210px;
	margin: 2em  0  0 3em;
	background: #777 url("urologie-titel.jpg") no-repeat right; 
	background-size: contain; 			 
	padding: 0 0 0.5em;
	grid-area: header;
	order: 1;
}

header a h5,
header a p {			
	color: white; 
	border-left: 0;
	padding: 0;
    display: table;		/* Überschriften und Absätze sind sonst immer 100% breit, durch display:table und display: inline-block; für das Elternelement a.ribbon wird das Banner nur so breit wie nötig. */
}
#logo{
border-top: 0px;
border-bottom: 2px;
}

header h5{
font-size:1.6em;
padding:0.5em;
margin:1em 0 1em;
}

.ribbon {
	display: inline-block;
	position: relative;	
	margin: 2em 0 2em -1.5em;
	padding: 0.5em 1em;
	background: #4e7a92;
	box-shadow: 0px 1px 3px rgba(0,0,0,.8);
}
 
.ribbon::before{
	display: block;
	width: 1.5em;
	height: 0;
	position: absolute;
	bottom: -1.5em;
	left: 0em;
	content: "";
	border-bottom: 1.5em solid transparent;
	border-right: 1.5em solid rgb(0, 80, 116);
}
 
/** CONTENT **/

main {
	margin: 0 0 1em;
	padding: 1em;
	background: #fff;
	display: grid;	
	grid-gap: 2em 2em;  
   	grid-template-columns: 1fr;
   	grid-template-areas: "header" "article" "nav" "aside" "footer" ;
}

h1{border-top:3px solid #ccc;border-bottom:3px solid #ccc;color:#666;font-family:Lato;font-size:1.6em;padding:0.3em;margin:2em 0 2em}
h2{border-bottom:2px solid #ccc;color:#666;font-family:Lato;font-size:1.4em;padding:0.2em;margin:1.5em 0 1.5em}
h3{border-bottom:1px solid #ccc;color:#666;font-family:Lato;font-size:1.2em;padding:0.1em;margin:1em 0 1em}
h4{color:#666;font-size:1.2em;padding:0.1em;margin:0.1em; 0 0.1em;}
h5,h6{color:#666;font-size:1em;padding:0.1em;margin:0.1em; 0 0.1em;}

p {
	text-align: left; 
	line-height: 1.5em; 
	padding: 0 0 0.2em 0;
}

#brotkrumen{
padding:0.2em 0 0.2em 0;
background-color:#f8f8f8;
}

ul {
line-height: 1.5em; 
}

a 	{ 
	color: #4e7a92; 
	outline: none; 
	text-decoration: none; 
}
a:hover, 			/* Durch Maus oder Tastatur angewählte Verweise werden sichtbar gemacht */
a:focus { 
	color: white; 
	text-decoration: none; 
	background-color: #4e7a92;	
}

a.more	{ 
	float: right; 
	font-weight: bold; 
}

a.more:after{
	content:" \2192 ";
	font-size:1.2em;
	font-weight:bold;
}

ul.square {
	list-style-type:square;
    color: #999999;
    margin: 0 0 0.5em 0.5em;
	font-size: 1em;
	font-weight: bold;
}

ul.square li{
	padding:10px;	
}

/*DL, DT, DD Datenliste*/
dl.grid { 
  display: grid; 
  grid-template-columns: 1fr 100%; 
}
dd { 
  margin: 0; 
  padding-left: 1em; 
}

dd span:first-child {
  display: inline-block;
  width: 4em;
}

dl.grid dd {
  margin-bottom: 1em;
}

a[href^="tel"] { white-space: nowrap; }

ul#footer-nav li { 
	list-style-type: none;  
	display: inline;
	padding: 0 0.5em; 
	border-right: 1px  solid #ACACAC; 
}

footer {
	display: grid;
        grid-template-columns: repeat(2, 1fr);	
	padding: 1em;
	background-color:#f8f8f8;
	grid-area: footer;
	order: 5;
}

ul#footer-nav  li:last-child { 
	border: none; 
}	

ul#footer-nav img {
	width: 1.5em;
}

ul#footer-nav a:hover,
ul#footer-nav a:focus, 
ul#footer-nav a:active {
	background: #4e7a92;
}

footer p {
	text-align: right;
}

/** Navigation **/

nav {
	grid-area: nav;
	order: 4;
}

nav#navigation{
}
	
#navigation ul {
    list-style-type: none;
    width: 100%;
	margin-bottom:30px;
}

#navigation ul li.first-child	{ border-top: 1px #DBDBDB solid; }


#navigation ul li a {
	display: block;
    border-bottom: 1px solid #4e7a92;
    font-size: 1.1em;
    line-height: 1.5em;
    padding: 1em 35px;
    text-decoration: none;
	width: 13em; 
}

#navigation ul li a:before{
	content:" ";
	display:inline-block;
	width:1em;
	height:1em;
	border-left:5px solid #4e7a92;;
}	
		
nav a[aria-current=page]{
 background: #aaa;
}

#navigation_unten td{
text-align: center;
padding :5px;
}

img{
max-width:100%;
height:auto;
}

#buch_klein{
width:25%;
border:none;
float:left;
margin-right:1em; 
margin-bottom:1em;
}

table{
  caption-align:left;
  caption-side:bottom;
  border-collapse: collapse;
  table-layout: auto;
  width: 100%;
  border: 1px solid black;
}

th,td {
  border: 1px solid black;
  
}
tr:hover {background-color:#f8f8f8;}

caption {
    background-color: #f8f8f8; 
    padding: 1em 0 1em 0;
    margin-bottom: 1em;
    text-align:left;
}

article {
	grid-area: article;
	order: 2;
}

aside {
	grid-area: aside;
	order: 3:
}

/* ========== repsonsives Grid-Layout ========== */

/* mobile first - auf schmalen Bildschirmen wird alles untereinander platziert. */ /* ab einer Breite von 50em haben zwei Spalten nebeneinander Platz: */



@media (min-width: 50em) { 
  main {
    grid-template-columns: repeat(3, 1fr);
 }
 
  nav {
    grid-row: 1 / 4;
  } 

  #intro {
    grid-column: 2 / 4;
    grid-row:    1 / 2;					
  }

  article {
    grid-column: 2 / 4;
  }    
  
   aside {
    grid-column: 3 / 4;
    grid-row: 1 / 2;	
  }   
  
  .spalte {
    grid-row:    2 / 3;					
  }
    
  .spalte img {
     width: 33%;
  } 
}