.zentriert
{
    text-align: center;
    display: block;
    width: 100%;
    height: auto;
    margin-left:auto;
    margin-right: auto;
}

#page
{
    width: 80%;
    max-width: 900px;
    min-width: 800px;
    margin-top: 0px;
    margin-bottom: 0px;
    margin-left: auto;
    margin-right: auto;
    padding-top: 15px;
    padding-left: 50px;
    padding-right: 50px;
    padding-bottom: 25px;

}

#display
{
    width: 10%;
    margin-left: 0px;
}

.l 
{
    margin-left: 0px;
    width: 18%;
}

#image_small
{
    width: 5%;
    margin-top: auto;
    margin-bottom: auto;
    margin-left: 0;
}




#page_header
{
    display: table;
    margin-left: auto;
    margin-right: auto;
    text-decoration-color: #0074af;
    padding-right: 0px;
    padding-left: 0px;
    border-bottom:2px dotted grey;
   
}

p
{
    line-height: 1.5;
    text-align: center;
    background-color: black;
    color: rgb(255, 255, 255);
    font-size: 30px;
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
}

header h1
{
    text-align: center;
    font-size: 69px;
    padding-top: 30px;
    padding-bottom: 40px;
    background-color: rgb(0, 145, 31);
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
}

nav ul
{
    display: inline-block;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    background-color: rgb(0, 145, 31);
    padding-left: 0px;
    padding-right: 0px;
    margin-top: 2px;
    margin-bottom: 4px;
}

div a
{
    margin-top: auto;
    margin-bottom: auto;
    margin-left: 0;
}

ul
{
    display: flexbox;
    background-color: black;
}

#kurs
{
    color: rgb(255, 255, 255);
}

nav li
{
    display: inline-block;
    margin-left: 50px;
}

body
{
    background-image: url('wald_h.jpg');
    background-attachment: fixed;
    font-family: Arial, sans-serif;
}