main {
    text-align: center;
    margin: 50px auto;
    padding: 20px;
    background-color: rgb(241, 241, 241);
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.215);
    width: 80%;
    max-width: 600px;
}

h1 {
    font-size: 1.8em;
    color: #333;
}

.joke-box {
    background: #f9f9f9;
    padding: 15px;
    margin: 15px 0;
    border-left: 5px solid #4CAF50;
    font-size: 1.2em;
    font-weight: bold;
    color: #444;
    min-height: 50px;
}

button {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 10px 15px;
    font-size: 1em;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #45a049;
}