body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #222;
    color: #fff;
}

.container {
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
    background-color: #333;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

h1 {
    text-align: center;
    font-size: 2em;
    margin-bottom: 20px;
}

p {
    margin-bottom: 10px;
}

textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    box-sizing: border-box;
}

button {
    padding: 10px 20px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0056b3;
}

button:not(:last-child) {
    margin-right: 10px;
}

button.preset {
    background-color: #6c757d;
}

button.preset:hover {
    background-color: #495057;
}

button.inject {
    background-color: #28a745;
}

button.inject:hover {
    background-color: #218838;
}