body {
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: #ffffff;
    margin: 0;
    padding: 0;
}

h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

p {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: background-color 0.3s ease, filter 0.3s ease;
}

.btn-outline-light {
    color: #ffffff;
    border: 2px solid #ffffff;
}

.btn-outline-light:hover {
    background-color: #ffffff;
    color: #121212;
}

.btn-outline-light:hover img {
    filter: invert(0);
}

.btn img {
    filter: invert(1);
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}