.dark_bg{align-items:center;background-color:rgba(0,0,0,.9);display:none;height:100vh;justify-content:center;left:0;position:fixed;top:0;width:100%;z-index:999}.btn_x{color:#fff;cursor:pointer;display:block;font-size:40px;font-weight:200;height:30px;transform:rotate(45deg);width:30px}.dark_bg.active{display:flex}.dark_bg form input[type=submit]{margin:20px auto!important;max-width:100%}.dark_bg form{min-width:600px}@media (max-width:767px){.dark_bg form{min-width:100%}}