html {
    box-sizing: border-box;
    overflow-y: scroll;
}

*, *::before, *::after {
    box-sizing: inherit;
}

body {
    background-color: #dce1de;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}


#website {
    width: 980px;
    margin: 0 auto;
}

#header {
    width: 100%;
    height: 190px;
    background: rgb(17, 114, 38);
    background-repeat: no-repeat;
    background-size: 130%;
    border-radius: 5px;
}

#header.index{
    background-image: url('/images/biomarker.jpg');
    background-position: 60% 40%;
}

#header.ursachen {
    background-image: url('/images/biomarker.jpg');
    background-position: 60% 50%;
}

#header.folgen {
    background-image: url('/images/biomarker.jpg');
    background-position: 50% 50%;
}

#header.formen {
    background-image: url('/images/biomarker.jpg');
    background-position: 50% 48%;
}

#header.behandlung {
    background-image: url('/images/biomarker.jpg');
    background-position: 30% 50%;
}

#header.wolkenclan {
    background-image: url('/images/biomarker.jpg');
    background-position: 10% 33%;
}

#header.quellen {
    background-image: url('/images/biomarker.jpg');
    background-position: 50% 66%;
}

#header h1 {
    text-shadow: 0px 0px 10px #000000;
    text-align: center;
    padding-top: 50px;
    font-size: 75px;
    font-weight: bold;
    color: white;
    font-family:'Courier New', Courier, monospace;
}

h2 {
    margin-bottom: 5px;
    font-size: 25px;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

#content {
    display: flex;
}

#menue {
    flex-shrink: 0;
    width: 200px;
    min-height: 300px;
    background: #216869;
    margin-top: 10px;
    margin-right: 10px;
    border-radius: 2px;
    padding: 12px;
    font-size: 20px;
    font-weight: bold;
}

a {
    color: white;
    text-decoration: none;
}

a:hover {
    color: black;
    text-decoration: underline;
}

a.active {
    color: white;
    text-decoration: underline;
}

#menue ul {
    margin: 0;
    padding: 0;
}

#menue li {
    list-style-type: none;
    margin: 0;
    padding: 0;
    margin-bottom: 4px;;
}

#inhalt {
    min-height: 300px;
    background: #669c6d;
    margin-top: 10px;
    border-radius: 2px;
    padding: 12px;
    color: white;
    width: 100%;
}

table.single {
    border-collapse: collapse;
}

table.single td {
    border: solid black 1px;
}

#inhalt table.darker {
    color: white;
    background-color: rgb(156, 133, 0);
    padding: 0px;
}

.caption {
    color: white;
    text-align: center;
}

#inhalt table td {
    padding: 8px;
    vertical-align: top;
}

#footer {
    width: 980px;
    min-height: 30px;
    background: #3e976e;
    margin-left: auto;
    margin-right: auto;
    margin-top: 10px;
    border-radius: 5px;
    padding: 12px;
    clear: both;
}

button {
    margin-top: 15px;
    border-color: rgb(34, 34, 34);
    border-radius: 40px;
    color: white;
    padding: 8px;
    background-color: rgb(48, 47, 47);
}