div.coolPhone
  select
    option ua
    option de
    option en
  div.delimiter
  input
    

body {
  background-color: #051367;
}
.coolPhone {
  display: flex;
  gap: 5px;
  border-radius: 2px;
  background-color: rgba(255,255,255,0.5);
  width: fit-content;
  padding: 6px;
  & .delimiter {
    width: 1px;
    background-color: #fff;
  }
  input, select {
    background-color: transparent;
    border: none;
  }
}