html {
    height: 100%;
}
body {
    font-family: Arial, sans-serif;
    background-color: #eaeaea;
    color: #333;
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
}

.container {
    width: 80%;
    margin: auto;
    overflow-y: scroll;
    height: 80%;
}

header {
    background-color: rgba(255, 255, 255, 0.8);
    color: #2c3e50;
    padding-top: 20px;
    padding-left: 30px;
    padding-right: 30px;
    height: 50px;
}

header a {
    color: #2c3e50;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 16px;
}

header ul {
    padding: 0;
    list-style: none;
}

header li {
    float: left;
    display: inline;
    padding: 0 20px 0 20px;
}

header #branding {
    float: left;
}

header #branding h1 {
    margin: 0;
}

header nav {
    float: right;
    margin-top: 10px;
}

header .highlight, header .current a {
    color: #e74c3c;
    font-weight: bold;
}

.content {
    background: #fff;
    padding: 20px;
    margin-bottom: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.forum-category {
    border-bottom: 1px solid #ccc;
    padding: 10px;
    cursor: pointer;
}

.forum-category h2 {
    color: #2c3e50;
}

.forum-category ul {
    list-style: none;
    padding: 0;
}

.forum-category li {
    padding: 5px 0;
    border-bottom: 1px solid #eee;
    
}

.forum-category:hover {
    background-color: #f1f1f1;
}

.forum-category li a {
    text-decoration: none;
    display: block;
    color: #333;
}

footer {
    position: fixed;
    background-color: rgba(255, 255, 255, 0.8);
    color: #2c3e50;
    text-align: center;
    padding-top: 10px;
    padding-bottom: 10px;
    bottom: 0px;
    width: 100%;
}

.forum-topic {
    border-bottom: 1px solid #ccc;
    padding: 10px;
    cursor: pointer;
}

.forum-topic:hover {
    background-color: #f1f1f1;
}

.buttons {
    cursor: pointer;
}

.forum-table {
    border-bottom: 1px solid #ccc;
    padding: 10px;
}


#logreg {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.8);
    transform: translate(-50%, -50%);
    padding-left: 20px;
    padding-right: 20px;
    padding-bottom: 20px;
    left: 50%;
    top: 30%;
    margin: 100px;
    width: 250px;
    display: none;
    border: black solid 3px;
}

#schreiben {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.8);
    transform: translate(-50%, -50%);
    padding-left: 20px;
    padding-right: 20px;
    padding-bottom: 20px;
    left: 50%;
    top: 30%;
    margin: 100px;
    width: 400px;
    height: 300px;
    display: none;
    border: black solid 3px;
}