design.css

.generated-qr {
    width: 256px;
    height: 256px;
    padding: 10px;
    margin: 10px;
    transition: filter 0.3s;
    position: relative;
    cursor: pointer;
}

.generated-qr:hover {
    filter: brightness(80%);
}

.generated-qr::after {
    content: "Download";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgb(255, 255, 255);
    font-weight: bold;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 0.3s;
}

.generated-qr:hover::after {
    opacity: 1;
}

.qr-text {
      text-align: center;
      margin-top: 5px;
      width: 100%; 
      overflow: hidden; 
      white-space: nowrap; 
      text-overflow: ellipsis; 
}