body {
    background-color: #f7f7f7;
}

select {
    -webkit-appearance: menulist;
    /* For WebKit browsers */
    -moz-appearance: menulist;
    /* For Firefox */
    appearance: menulist;
    /* Standard */
    padding-right: 20px;
    /* Give enough space for the arrow */
    background: white;
    background-image: url('');
    /* Make sure no background image is covering it */
}

input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { 
    -webkit-appearance: none;
    margin: 0;
}

footer {
    text-align: center;
    padding: 20px 0;
    background-color: #28a745;
    color: #fff;
    margin-top: 20px;
}

footer a {
    color: #fff;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.donation-container {
    background-color: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    margin-top: 20px;
}

.input-required {
    color: red;
}

.logo {
    max-width: 150px;
    display: block;
    margin: 0 auto 20px;
}

@media (max-width: 768px) {
    img.secure-logo {
        width: 30% !important;
    }
}

.btn-donate {
    background-color: #28a745;
    color: #fff;
}

.btn-donate:hover {
    background-color: #218838;
    color: #fff;
}

.input-number-right {
    text-align: right;
}