.tracker-solo-phone {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
  width: 100%;
}

.tracker-solo-phone .tracker-solo-country {
  flex: 0 0 min(12rem, 42%);
}

.tracker-solo-phone input[type="tel"] {
  flex: 1 1 auto;
  min-width: 0;
}

@media (max-width: 480px) {
  .tracker-solo-phone {
    flex-wrap: wrap;
  }

  .tracker-solo-phone .tracker-solo-country {
    flex-basis: 100%;
  }
}