body {
    font-family: Arial, sans-serif;
    background-color: #f3f4f6;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 50px auto;
    text-align: center;
    padding: 20px;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #333;
}

.joke-text {
    color: #555;
    font-size: 18px;
    margin: 20px 0;
}

.get-joke-button {
    background-color: #4caf50;
    color: white;
    padding: 15px 32px;
    text-align: center;
    font-size: 20px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
    border-radius: 5px;
}

.get-joke-button:hover {
    background-color: #45a049;
}

.loader {
    display: none;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}