@media screen {
  * { font-family:verdana,arial,sans-serif;
  }
}
@media screen and (prefers-color-scheme: dark) {
  /* dunkles Farbschema für die Nacht */
  body { background: black; }
  h1, h2 { color: yellow;}
  a {color: skyblue;}
}
@media (orientation: landscape) {
  body {
    flex-direction: row;
  }
}
@media (orientation: portrait) {
  body {
    flex-direction: column;
  }
}

@media screen and (max-width: 600px) {
    body {color: blue;}
    nav li {display: block; width: 50% } 
    table, figure { display: none; } 
    }
@media screen and (max-width : 320px) {
      nav li {
        width: 100%;
        img {width: 90%;height:90;}
    }   
  }
@media (max-width: 760px) {
  nav ul { display: none; }
  nav select option { display: inline-block; background-color : rgb(246, 246, 4); border-radius: 0px 0.5em 0.5em;
                                border: 1px solid; width: 15em; }
                               header, #banner, #standort, nav, pre { display: none; }
                                /*table { display: none; }*/
}