* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    background: #f0f4f8;
}

.main-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.img-wrapper {
    position: relative;
    width: 100%;
    line-height: 0;
}

.bg {
    width: 100%;
    height: auto;
    display: block;
}

.qrcode {
    position: absolute;
    right: 26.25%;
    bottom: 20.5%;
    width: 6.25%;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: contain;
}