style.css

@import url('https://fonts.googleapis.com/css?family=Roboto:400,700&display=swap');

body {
    font-family: 'Roboto', sans-serif;
    background-color: #f8f9fa;
    margin: 0;
    color: #333;
}

.container {
    text-align: center;
    background-color: #ffffff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin: 40px auto;
    max-width: 500px;
}

h1 {
    color: #0056b3;
    margin-bottom: 30px;
}

button {
    padding: 15px 30px;
    margin-top: 20px;
    cursor: pointer;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    font-weight: 700;
}

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

input, button {
    padding: 12px;
    margin-top: 10px;
    border: 1px solid #ced4da;
    border-radius: 5px;
    width: calc(100% - 24px);
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
}

#result {
    background-color: #e9ecef;
    padding: 20px;
    border-radius: 10px;
    margin-top: 30px;
}

#result p {
    margin: 10px 0;
}

@media (max-width: 768px) {
    .container {
        width: 95%;
    }
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

#logo {
    max-width: 200px; /* Maximum size to ensure it's not too large */
    width: 50%; /* Percentage base to stay responsive */
    height: auto; /* Keep the aspect ratio of the logo */
    display: block;
    margin: 20px auto; /* Center the logo */
}

#donationButton {
    padding: 15px 30px;
    margin-top: 20px;
    cursor: pointer;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-weight: 700;
    transition: background-color 0.3s ease;
}

#donationButton:hover, #donationButton:active {
    background-color: #0056b3;
}

#donationInfo {
    background-color: #e9ecef;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    display: none; /* hidden by default */
}

.hidden {
    display: none;
}