JSFiddle - React, Tailwind, and code Playground

by Anderson Carlos Woss

HTML

<select name="country" id="country" size="5">
  <option value="1">Bélgica</option>
  <option value="2">Dinamarca</option>
  <option value="3" selected>Portugal</option>
  <option value="4">Espanha</option>
  <option value="5">França</option>
</select>

CSS

select {
  width: 200px;
  overflow: auto;
  border-top: 1px solid gray;
  border-bottom: 1px solid gray;
  border-left: none;
  border-right: none;
}

select option {
  text-align: center;
}

select option:checked {
  font-weight: bold;
  font-size: 16px;
}

select option:not(:checked) {
   color: gray;
}