<!DOCTYPE html>
<style>
  @font-face {
    font-family: "Ahem";
    src: url(../../fonts/Ahem.ttf);
  }
  select {
    -moz-appearance: none;
    border: none;
    font-family: Ahem;
    font-size: 20px;
    padding: 0;
    box-sizing: content-box;
    height: 40px;
  }
</style>
<select>
  <option>X</option>
</select>