* {
  box-sizing: border-box;
}

header {
  background-color: #C0C0C0;
  padding: 30px;
  text-align: center;
  font-size: 40px;
  height: 108px;
}

picture {
  float: left;
  width: 25%;
  height: 300px;
  padding: 20px;
  padding-left: 0px;
}

article {
  float: left;
  padding: 20px;
  padding-top: 50px;
  width: 70%;
  height: 300px;
}

section:after {
  content: "";
  display: table;
  clear: both;
}

footer {
  background-color: #C0C0C0;
  padding: 10px;
  text-align: center;
}

@media (max-width: 600px) {
  nav, article {
    width: 100%;
    height: auto;
  }/*Seitenstyling Ende*/

#Search {/*Suchfeld*/
  width: 100%;
  font-size: 16px;
  padding: 12px 20px 12px 40px;
  border: 1px solid #ddd;
  margin-bottom: 12px;
}

}/*Tabellenstyling Anfang*/
/*Tabellennamen Anfang*/
#Veroeffentlichungen {
  border-collapse: collapse;
  width: 100%;
}

#Rezensionen {
  border-collapse: collapse;
  width: 100%;
}

#Vortraege {
  border-collapse: collapse;
  width: 100%;
}/*Tabellennamen Ende*/

td, th {
  text-align: left;
  padding: 8px;
}

tr:nth-child(even) {
  background-color: #EBEBEB;
}/*Tabellenstyling Ende*/

i {/*Iconstyling*/
  color: red;
}

/*Scrollbuton Anfang*/
#myBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  font-size: 18px;
  border: none;
  outline: none;
  background-color: #2196F3;
  cursor: pointer;
  padding: 15px;
  border-radius: 4px;
}

#myBtn:hover {
  background-color: red;
}/*Scrollbuton Ende*/


.sidenav {/*Sidebarstyling Anfang*/
  height: 100%;
  width: 240px;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: #C0C0C0;
  overflow-x: hidden;
  padding-top: 10px;
}

.sidenav a {
  padding: 6px 8px 6px 16px;
  text-decoration: none;
  font-size: 22px;
  color: #2196F3;
  display: block;
}

.sidenav a:hover {
  color: #064579;
}

.main {
  margin-left: 240px;
 }

@media screen and (max-height: 450px) {
  .sidenav {padding-top: 15px;}
  .sidenav a {font-size: 18px;}
}/*Sidebarstyling Ende*/