.tr-twitter .overlay-bg {
    background: rgba(0, 191, 243, 0.8);
}

.mc4wp-form input[type=submit] {
    background: transparent;
    border: 1px solid #fff;
}

.mc4wp-form input[type=submit]:hover {
    background: #fff;
    color: #ed1c24;
    border: 1px solid #ed1c24;
}