header{

    position: fixed;
    width: 100%;
    height: 90px;
    background-color: #323232;
    color: white;
    z-index: 12;


}

hr{
    border: 2px solid #FF8C00;
}


*{
    margin: 0;
    padding: 0;
}

.wrapper{
    width: 1170px;
    margin: 0 auto;

}

.wolframwidget{
    padding: 100px;

}

.count{
  font-size: 17px;
  color: #FF8C00;
  font-family: sans-serif;
  margin: 0 0px;
  padding-top: 20px;

}


nav{
    float: right;
    line-height: 90px;

}

nav a{
    text-decoration: none;
    font-size: 20px;
    color: white;
    font-family: sans-serif;
    margin: 0 10px;


}

.logo{
    width: 30%;
    float: left;
    line-height: 90px;
}

.logo a{
    text-decoration: none;
    font-size: 30px;
    font-family: sans-serif;
    color: #FF8C00;
}




.indizes {
    padding-top: 10px;
    font-family: Arial, Helvetica, sans-serif;
    border-collapse: collapse;
    width: 100%;
}



.indizes td, .indizes th {
    border: 1px solid #dddddd;
    padding: 8px;
}

.indizes tr:nth-child(even){background-color: #f2f2f2;}

.indizes tr:hover {
    background-color: #ddd;
    cursor: pointer;

}

.indizes th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: left;
    background-color: #323232;
    color: white;
}

.content-area{
    position: relative;
    background-color: white;
    width: 100%;
    top: 90px;

}