DEVto <language-select>

by WebComponents

HTML

<script src="https://language-select.github.io/select-button.min.js"></script>

<style>
  language-select{
    /* border: none; */
    zoom: 3;
  }
</style>

<language-select caption="Select a language" 
                 selected="en" 
                 languages="en,nl,es,pt,jp,sk"></language-select>

CSS

body{
  font:15px Arial;
  background:beige;
}
li{
  margin-top:.1em;
}
span{
  display:inline-block;
  font-size:80%;
  width:5em;
}
h4{
  margin-top:0;
  margin-bottom:0;
}