.MainPopup 
{
    min-width: 280px!important;
    min-height: 70px!important;
    border-radius: 15px;
    background-color: white!important;
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.1) !important;
    z-index: 2;
}