#container {
    transition: filter 0.5s ease;
    filter: blur(10px);
}
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 24px;
    flex-direction: column;
    text-align: center;
    line-height: normal;
    z-index: 9998;
}
.overlay a {
  text-decoration: underline;
  color: white;
}
.hidden {
    display: none;
}
.close-btn {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 18px;
    border: none;
    cursor: pointer;
    background-color: #ff5722;
    color: white;
    border-radius: 5px;
}