.js-feed-post-text a[href="#popup:connect"] {
    display: block !important;
    text-align: center;
    background: #00cf91;
    color: #fff !important;
    padding: 13px 30px;
    border-radius: 100px;
    transition: all 0.4s ease-in-out;
}

.js-feed-post-text a[href="#popup:connect"]:hover {
    background: #0472ff;
}