.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 9999;
}
.overlay.active {
    opacity: 1;
    visibility: visible;
}
.popup {
    background-color: white;
    /* border-radius: 8px; */
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 20px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.7);
    transition: transform 0.3s;
}
.overlay.active .popup {
    transform: scale(1);
}
.close-button {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 24px;
    cursor: pointer;
    color: #666;
    background: none;
    border: none;
    z-index: 99;
}
h1 {
    font-family: Arial !important;
    color: #006400;
    margin-top: 0;
}
a {
    color: #0066cc;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}