#eps-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
}

#eps-popup-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    width: 80%;
    max-width: 400px;
    box-sizing: border-box;
}

#eps-close-popup {
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
    font-size: 24px;
}

#eps-stay-button {
    background-color: #0073aa;
    color: #fff;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    margin-top: 10px;
    border-radius: 4px;
}

/* Responsive design for smaller screens */
@media (max-width: 768px) {
    #eps-popup-content {
        width: 90%;
        font-size: 16px;
    }
}