body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
    text-align: center;
    background: url('../images/worldcoin-promo-code-referral-background.png') no-repeat center center fixed;
    background-size: cover;
    padding: 10px; /* Add padding around the page */
}

header, main, footer {
    width: 100%;
    max-width: 800px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.8); /* Add a subtle white background with transparency */
    border-radius: 10px;
}

img {
    max-width: 100%;
    height: auto;
}

h1 {
    margin: 0;
    font-size: 2.5em;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

.promo-banner {
    width: 100%;
    height: auto;
}

.promo-code {
    background: #ffffff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    margin: 20px 0;
}

.promo-code input {
    padding: 10px;
    width: 70%;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.promo-code button {
    padding: 10px 15px;
    background: #28a745;
    color: #ffffff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.promo-code button:hover {
    background: #218838;
}

button {
    font-size: 1.5em;
    font-weight: bold;
    padding: 15px 30px; /* Increase padding for a more haptic feel */
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
    margin: 10px; /* Add margin to separate buttons */
}

button:hover {
    background-color: #0056b3;
}

button:active {
    transform: scale(0.95); /* Add a haptic feedback effect */
}