#menu ul {
    list-style-type: none;
    margin: 0px auto;
    padding: 0;
    overflow: hidden;
    background-color: #08aad7;
}

#menu li {
    float: left;
}

#menu li a {
    display: block;
    color: white;
    text-align: center;
    padding: 16px;
    text-decoration: none;
}

#menu li a.active {
    background-color: #84c7b0;
}

#menu li a:hover {
    background-color: #111111;
}

#currency-form select:hover, #currency-form input[type="submit"]:hover {
    background-color: #111111;
    color: white;
}

#currency-form select {
    border: 1px solid #08aad7;
    border-radius: 3px;
}

#currency-form input[type="submit"] {
    border-radius: 3px;
}

.donation-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 20px 0;
}

.donation-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 100px;
}

.donation-button a {
    display: block;
    text-decoration: none;
}

.donation-button img {
    display: block;
    max-width: 100%;
    height: auto;
}

.currency-label {
    margin-top: 5px;
    text-align: center;
    font-size: 0.9em;
}

.donation-button a:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    transition: all 0.2s ease;
}