.phone-entry {
  display: flex;
  align-items: center;
  gap: 10px;
}

.phone-entry select {
  flex: 0 0 92px;
  width: 92px;
  height: 38px;
  padding: 0 4px;
  border: 0;
  border-right: 1px solid #d8e1db;
  border-radius: 0;
  background: transparent;
  color: #183c2b;
  font: inherit;
  font-size: 15px;
  cursor: pointer;
}

.phone-entry input {
  flex: 1 1 auto;
  width: 1px !important;
}

.phone-entry select:focus {
  outline: 0;
}

@media (max-width: 640px) {
  .phone-entry { gap: 7px; }
  .phone-entry select { flex-basis: 84px; width: 84px; font-size: 14px; }
}