body {
font-family: "Arial", "Helvetica", sans-serif;
font-size: 0.9em;
font-weight: bold;
}
rot {
color: #DB4437;
}
gelb {
color: #F4B400;
}
grün {
color: #0F9D58;
}
blau {
color: #4285F4;
}
a {
text-decoration: none;
color: #888888;
}
a:visited {
text-decoration: none; 
color: #888888;
}
a:hover {
text-decoration: none;
color: #888888;
}
.hidden {
opacity: 0;
transition: opacity 2s ease-in-out;
}
.visible {
opacity: 1;
}