body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
}

.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.content {
    text-align: center;
}

.greeting {
    margin-bottom: 20px;
}

.sale {
    margin-top: 30px;
    color: red
}

.dark-mode {
    background-color: #222; /* Dark background color */
    color: #fff; /* Text color for dark mode */
}

.light-mode {
    background-color: #f5f5f5; /* Lighter background color */
    color: #333; /* Text color for light mode */
}