body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header, footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
}

#installButton {
    padding: 0.75rem 1.5rem;
    margin-top: 1rem;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

#installButton:hover {
    background-color: #0056b3;
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

.instructions {
    margin-top: 1rem;
    background: linear-gradient(to right, #ffffff, #f9f9f9);
    border: 1px solid #ddd;
    padding: 1.5rem;
    border-radius: 15px;
    text-align: left;
    max-width: 400px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.instructions p {
    margin: 0 0 1rem 0;
}

.instructions ol {
    margin: 0;
    padding-left: 1.5rem;
}

.instructions ol li {
    margin-bottom: 0.5rem;
}

.instructions img {
    vertical-align: middle;
    margin-left: 5px;
    width: 20px;
}