@keyframes blinkColor{0%,100%{background:#c70039}25%{background:#28a745}50%{background:#ffd500;color:#000}75%{background:#007bff}}.grex-cta{animation:2s linear infinite blinkColor}.grex-popup-box{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);max-width:300px;background:#ffc107;padding:28px 12px 20px;border-radius:14px;text-align:center;font:16px sans-serif;box-shadow:0 6px 18px rgba(0,0,0,.25);z-index:99999}.grex-popup-box img{width:180px;height:auto;margin-bottom:14px}.grex-popup-box p{margin:0 0 16px;font-size:17px;font-weight:800}.grex-popup-box button.grex-cta{padding:10px 22px;border:none;border-radius:8px;color:#fff;font-weight:700;font-size:16px;cursor:pointer}.grex-popup-box span.grex-close{position:absolute;top:6px;right:8px;font-size:20px;cursor:pointer;color:#333}