body {
font-family: sans-serif;
background-color: #ffffff;
width: 800px;
margin: 0 auto;
border-right-style: dotted; 
border-right-color: #C00000;
border-right-width: thick;
}

/* Toggle between adding and removing the "responsive" class to topnav when the user clicks on the icon */
function myFunction() {
var x = document.getElementById("myTopnav");
if (x.className === "topnav") {
x.className += " responsive";
} else {
x.className = "topnav";
}
}

 /* Add a red background color to the top navigation */
.topnav {
background-color: #C00000;
overflow: hidden;
}

/* Style the links inside the navigation bar */
.topnav a {
float: left;
display: block;
color: #f2f2f2;
text-align: center;
padding: 25px 25px;
text-decoration: none;
font-size: 18px;
}

/* Change the color of links on hover */
.topnav a:hover {
background-color: #ddd;
color: black;
}

/* Add an active class to highlight the current page */
.topnav a.active {
background-color: #2a599b;
color: white;
}

/* Hide the link that should open and close the topnav on small screens */
.topnav .icon {
display: none;
}

.main {
margin-left: 10px;
margin-right: 10px; 
font-size: 18px;
color: #5C3566;
padding: 25px 0px;
}

a {
color: #C00000;
font-weight: bold;
text-decoration: none;
}

h1, h2, h3, h4, h5, h6
{
color: #2a599b;
font-weight: bold;
}

td {
padding-bottom:0px;
margin-left:auto;
margin-right:auto;
}

img {
border: 10px solid #FFFFFF;
display: block;
margin-left: auto;
margin-right: auto;
}

p.small {
font-size: small;
font-variant: small-caps;
line-height:12px;
margin-bottom: 15px;
text-align: left;
}

header {
position: absolute;
left: 0px;
top: 0px;
z-index: 1;
}

footer {
color: #2a599b;
font-size: large;
font-weight: bold;
margin-top: 15px;
text-align: center;
}

.blau
{
color: #0000ff;
}

.gelb
{
color: #ffff00;
}

.rot
{
color: #ff0000;
}

.red {
background-color: #C00000;
}