body {
    margin: 0;
    padding: 0;
}

.icon-container {
    position: fixed;
    top: 40%;
    right: 20px;
    transform: translateY(-50%);
    z-index: 1000;
    cursor: pointer;
}

#smallIcon {
    width: 60px;
    height: auto;
    transition: opacity 0.3s ease;
}

#qrCode {
    display: none;
    position: fixed;
    width: 120px;
    top: 50%;
    left: 50%;
    transform: translate(-80%, -50%);
    z-index: 2000;
}

.icon-container:hover #smallIcon {
    opacity: 0;
}

.icon-container:hover #qrCode {
    display: block;
}