body {
    font-family: sans-serif;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.container {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h1 {
    color: #333;
}

.quote-box {
    margin: 2rem 0;
    padding: 1.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    min-height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

#quote-text {
    font-size: 1.2rem;
    font-style: italic;
    color: #555;
}

#quote-author {
    margin-top: 1rem;
    font-weight: bold;
    color: #777;
}

#new-quote-btn {
    background-color: #007bff;
    color: #fff;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

#new-quote-btn:hover {
    background-color: #0056b3;
}

.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
    display: none; /* Hidden by default */
}

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