body {
  background-color: rgb(20, 20, 20);
  min-height: 100%;
  padding: 0;
  margin: 0;
}

#main {
  float: left;
  width: 85%;
  height: 200vh;
  background-color: #161616;
}

#reihen {
  display: grid;
}

#seitenbereich {
  float: left;
  width: 15%;
  min-width: auto;
  min-height: 100%;
  height: 100vh;
  background-color: #242424;
  top: 0;
  left: 0;
  text-align: center;
  color: #fff;
  position: fixed;
}

#seitenbereichhitbox {
  float: left;
  width: 15%;
  min-width: auto;
  min-height: 100%;
  height: 100vh;
  background-color: #242424;
  top: 0;
  left: 0;
  text-align: center;
  color: #fff;
}

#kopfzeile {
  color: #ffffff;
  font-size: 40px;
  font-weight: bold;
  text-align: center;
  padding: 0px 0px 20px 0px;
}
h2 {
  color: #ffffff;
  font-size: 25px;
  text-align: center;
  padding: 0px 0px 0px 10px;
}

p {
  color: #ffffff;
  font-size: 18pt;
  padding: 20px;
}

a {
  color: #ffffff;
  font-size: 20px;
  width: 20px;
  height: 20px;
  text-align: center;
  text-decoration: none;
}
#button {
  background-color: #242424;
  border-radius: 20px;
  height: 30px;
  min-width: auto;
  max-width: 300px;
  margin: auto;
  padding: 5px 0px 0px 0px;
  vertical-align: middle;
}
#button:hover {
  transition: 100ms;
  background-color: #353535;
}

#Bild {
  height: 500px;
  float: left;
  right: 0px;
  padding: 50px 70px 30px 40px;
}

#bilderbeschreibung {
  color: #ffffff;
  font-size: 18pt;
  padding: 10pt 10% 0 0;
}

ul {
  color: #ffffff;
  font-size: 18pt;
}

h3 {
  text-align: left;
  padding: 40px 0 0 0;
  color: #ffffff;
  font-size: 18pt;
}

h4 {
  text-align: left;
  padding: 0 0 0 0;
  color: #ffffff;
  font-size: 18pt;
}