body {
    font-family: Arial, sans-serif;
    margin: 40px;
    background: #f0f0f0;
}

h1 {
    color: #333;
}

form, ul {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
}

input[type="text"],
textarea {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    padding: 10px 20px;
    background-color: #0077cc;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #005fa3;
}

a {
    text-decoration: none;
    margin-left: 10px;
    color: red;
}

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

li {
    margin-bottom: 12px;
    padding: 10px;
    background: #e9e9e9;
    border-radius: 5px;
}

.erfolg {
    background-color: #d4edda;
    padding: 10px;
    border-radius: 5px;
    color: #155724;
    margin-top: 10px;
}