html, body {
    background-color: transparent;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    margin: 0px;
    padding: 0px;
    width: 100%;
    height: 100%;
}
a {
    text-decoration: none;
}
.erklaerbaer {
    border: 1px solid #333;
    background-color: #777;
    margin: 0.1em 0 1em 0;
}
.erklaerbaerToggle {
    color: #eee;
    padding: 0.25em;
    cursor: pointer;
}
.hideable {
    display: none;
    background-color: #eee;
    color: #333;
}
#helpToggle {
    cursor: pointer;
    font-weight: bold;
    text-align: right;
}
#helpContainer {
    position: relative;
    z-index: 1001;
}
#topgoer {
    display: block;
    width: 5em;
    background-color: #616161;
    color: #eeeeee;
    border: solid 2px #eeeeee;
    opacity: 70%;
    height: 3em;
    line-height: 3em;
    position: fixed; 
    right: 2em;
    bottom: 2em;
    text-align: center;
}
#topgoer a {
    display: block;
}