.recaptcha-wrap{
    display:flex;
    justify-content:center;
    margin:16px 0 8px;
    min-height:78px;
}

@media(max-width:420px){
    .recaptcha-wrap{
        transform:scale(.88);
        transform-origin:center;
        margin-right:auto;
        margin-left:auto;
    }
}