.iti__flag {background-image: url("./flags.png");}

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .iti__flag {background-image: url("./flags@2x.png");}
}
.valid-phone.hide, .invalid-phone.hide{
    display: none;
}
.valid-phone, .invalid-phone{
    display: block;
}