body {
    background-image: url('/images/colorful-froge.svg');
    color: #333;
    font-family: 'Arial', sans-serif;
}

header {
    background-color: #4CAF50;
    padding: 20px;
    text-align: center;
    font-size: 25px;
    color: white;
}

a {
    color: #4CAF50;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.button {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 10px 24px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
}

.footer {
    padding: 10px;
    text-align: center;
    background: #ddd;
    margin-top: 20px;
}

.froge-content {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
    text-align: center;
    background-image: url('/images/happy-froge.svg');
    background-size: cover;
}

.alert {
    color: #FF0000;
    font-weight: bold;
}