html {background-color: white; background-size: cover; background:url(bilder/aepfel.jpg);}

h2 {font-style:italic;font-size: 16pt;}
header,nav,article,aside,footer {border-radius:0px;padding:10px;max-width:800px;font-family: verdana;margin:0px;}
header,footer,main {margin:0px auto;}
header {background:url(bilder/obstanlage_header.jpg);height:200px; margin-top: 0px;}
nav {flex:1;background-color:white;margin-right:0px;margin-top: 0px; border-left: 1px solid silver;}
article {flex:3;background-color:white;margin-right:0px;margin-top: 0px; border-right: 1px solid silver;}
article iframe {float: right;}
footer {background-color:#009D3C;}
p {text-align:justify;font-size: 11pt;}
ul {font-size: 11pt;}
a {color:#009D3C;}
nav ul {list-style-type:none;margin:0;padding:0;}
nav p { font-size: 8pt; text-align:left;}
footer {text-align:center;font-size: 11pt;}
footer a {color: black;font-size: 11pt;}
footer p {font-size: 11pt;}

main {display:flex;flex-direction:row;max-width:820px;}

/* Umbau für mobile Geräte */
@media all and (max-width:640px) {
main {display:block;}
nav,article {margin-right:0;margin-bottom:5px;}
nav ul {text-align:center;}
nav ul li {display:inline-block;padding:5px;}
}