/* CSS-File für alle Seiten und ihren Standard-Inhalt */
* {
  box-sizing: border-box;
  /* font-family:sans-serif; */
}


.kopf {
  z-index: 100;
  background-color:gray;
  text-align:center;
  font-family:arial;
  color:white;
  padding:0;
  font-size: 5vh;
  font-size: 4vmin;
  position: fixed;
  top: 0;
  left:0;
  width: 100%;
  height:10vh;
  text-align:center;
  display:flex;
  justify-content: center;
  align-items:center;
}
.kopf img {
  float: left;
  max-height: 9vh;
  display:block;
}


/* CSS für Navigation an der linken Seite */
.sidenav {
  width:20%;
  max-width:300px;
  background:#cccccc;
  padding:10px;
  padding-left:0px;
  padding-right: 5px;
  font-family: verdana;
  color: blue;
  position: fixed;
  top:10vh;
  left:0px;
  bottom:0px;
  font-size: 20px;
  overflow-x: hidden;
  font-variant: small-caps;
}
.impressum {
  width:20%;
  max-width:300px;
  background:#cccccc;
  font-family: verdana;
  color: blue;
  position: fixed;
  left: 0px;
  bottom: 0px;
  font-size: 15px;
  font-size: 1.2vw;
  overflow-x: hidden;
  /* font-variant: small-caps; */
  text-align: center;
}
.impressum a {
  text-decoration: none;
}

.sidenav ul {
  list-style-type:none;
  margin:0px;
  padding:0;
  padding-left: 20px;
  padding-left: 0.5vw;
}

.sidenav a {
  text-decoration: none;
}

.sidenav li:hover {
  background-color: #f1f1f1;
  color:black;
  cursor:pointer;
}

.sidenav .lvl {
  display:block;
  margin-left:-0.5vw;
  font-size: 80%;
}
.nav1 {
  font-weight: 600;
  font-size: 25px;
  font-size: 2vw;
  padding:5px;
  padding-left: 0px;
}
.nav2 {
  font-weight: 500;
  font-size: 20px;
  font-size: 1.6vw;
}

.nav2x {
  font-weight: 500;
  font-size: 20px;
  font-size: 1.6vw;
}
.nav3 {
  font-size: 20px;
  font-size: 1.6vw;
  background-color: #99ffff;
  margin-top: 3px;
  margin-bottom: 3px;
  border-radius: 5px;
  padding:0.2vw;
  padding-left:0.4vw;
}
.nav4 {
  list-style-type: none;
  font-size: 15px;
  font-size: 1.2vw;
  padding:0.2vw;
  padding-left: 0.7vw;
  background-color: #4dffff;
  margin-top: 3px;
  margin-bottom: 3px;
  border-radius: 5px;
}
@media (min-width: 1250px) {
  .nav1 {
    font-size: 25px;
  }
  .sidenav ul {
    padding-left: 6.25px;
  }
  .nav2, .nav3 {
    font-size: 20px;
  }
  .nav4 {
    font-size: 15px;
  }
  .impressum {
    font-size: 15px;
  }
}

.main {
  /* alternativ mit (position:absolute; top:10vh; left: 20% probieren)*/
  width:80%;
  max-width:1000px;
  background-color:white;
  float:left;
  margin:0;
  margin-top:10vh;
  margin-left:20%;
  margin-bottom:50px;
  padding:10px;
  color:black;
  outline: #000 solid 8px;
  font-family:sans-serif;
}
.main p, label, li {
  font-size: calc(10px + 0.5vw);
}
@media (min-width: 1500px) {
  .main {
    margin-left:300px;
  }
}



h5 {
  font-size: 1.5em;
  margin-block-end: 1em;
}

h6 {
  font-size: calc(10px + 0.6vw);
  margin-block-start: 1em;
  margin-block-end: 1em;
}

.aufzaehlung {
  padding: 0px;
}
.aufzaehlung li {
  display:block;
  list-style-type:none;
  padding-left: 1vw;
  padding-top:0.5em;
}

.aufzaehlung-titel {
  display: block;
  margin-left: -1vw;

}

.blank {
  margin-left: auto;
  margin-right: auto;
  display: block;
}
.begriff:hover {
  text-decoration: underline;
  background-color: #ccc;
  cursor: pointer;
}
.begriff {
  font-style: italic;
}
.unklar {
  background-color:red;
}
.anmerkung {
  font-size: calc(8px + 0.4vw);
}
span.fett {
  font-weight: bolder;
}
a {
  color:blue;
}
input[type="radio"] {
  margin: 0 2px 0 10px;
}
.bildquelle {
  text-align: right;
  float:right;
  font-size: calc(6px + 0.4vw);
  margin-right:2%;
}
.bildquelle a {
  text-decoration: none;
}
/* Abschnitt für Selbsttest-Seiten */
.fragecontainer {
  width: 100%;
  border: 0.3vw solid red;
  font-size: calc(10px + 0.5vw);
  margin: 0.5vw 0px;
  display:flex;
}
.fragecontainer p{
  margin: 0.2vw;
}
.fragebox {
  width: 70%;
  border: 1px solid red;
  float:left;
}
.antwortbox {
  width: 30%;
  border: 1px solid red;
  visibility: hidden;
  float:right;
}
.option {
  width: 100%;
  display: block;
  background-color: blue;
  color: white;
  padding: 0.3vw;
  border-bottom: 1px solid white;
  cursor: pointer;
}
.option:hover {
  background-color: gray;
}
.auswahlfalsch {
  display: none;
  color: red;
}
.auswahlrichtig {
  display:none;
  color:green;
}
.auswahlplatzhalter {
  visibility:hidden;
  display: block;
}
.hinweisbutton {
  visibility: hidden;
  border: 2px solid gray;
  border-radius: 5px;
  float:right;
  background-color: pink;
  padding: 0.4vw 1vw;
  cursor:pointer;
}
figure {
  margin: 2%;
}
figcaption {
  font-size: calc(10px + 0.5vw);
}
.button_weiter {
  display:block;
  border: 2px solid blue;
  border-radius: 5px;
  float: right;
  background-color: lightblue;
  padding: 0.5vw 1vw;
  text-decoration: none;
}
.button_zurueck {
    display:block;
    border: 2px solid blue;
    border-radius: 5px;
    float: left;
    background-color: lightblue;
    padding: 0.5vw 1vw;
    text-decoration: none;

}