body {
    margin: 0;
    padding: 0;
    background-color: #080816;
    font-family: arial, sans-serif;
    text-align: justify;
}
header {
    display: table;
    width: 100%;
    height: 100px;
    text-align: center;
}
.cell {
    display: table-cell;
    width: 50%;
}
nav {
    position: absolute;
    left: 0;
    top: 100px;
    margin-top: 15px;
    height: calc(100% - 145px);
    width: 235px;
    overflow: auto;
}
.menu_button {
    display: block;
    font-family: arial, sans-serif;
    font-weight: bold;
    width: 210px;
    border-radius: 5px;
    background-color: #ffdf1c;
    text-decoration: none;
    border:0;
    font-size: 120%;
    margin-bottom:-16px;
    margin-left: auto;
    margin-right: auto;
    padding: 6px;
    color: #080816;
}
.menu_button:hover {
    background-color: #ffff93;
}
.left {
    text-align: left;
}
.right {
    text-align: right;
}
footer {
    display: table;
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 30px;
    color: #ffdf1c;
    text-align: center;
}
#footer>a:link, #footer>a:visited, #footer>a:focus {
    color: #ffdf1c;
}
#footer {
    display: table-cell;
    vertical-align: middle;
}
#content_wrapper {
    position: absolute;
    background-color: #ffff93;
    top: 103px;
    left: 236px;
    width: calc(100% - 257px);
    height: calc(100% - 145px);
    background-image: url('../bilder/wasserzeichen.jpg');
    background-position: center center;
    background-repeat: no-repeat;
    border-radius: 10px;
    padding: 6px 6px 6px 10px;
}
#content {
    width: 100%;
    height: 100%;
    overflow: auto;
    font-family: arial, sans-serif;
}
hr {
    width:80%;
    color:#ffcc00;
    height:1px;
    text-align:center;
}
h2 {
    color:#424242;
    font-family:Verdana;
    text-align:center;
}
#sm0, #sm1 {
    display: none;
}
.round-edge {
    border-radius: 5px;
}

#userFormTable td {
    padding: 5px 20px 5px 20px;
}

#content p,ul {
    padding-right: 10px;
}

.img_spacing {
    margin:10px 20px;
    border:0;
}

.center_table {
    margin-left: auto;
    margin-right: auto;
}

.full_center {
    vertical-align: middle;
    text-align: center;
}