JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" value="Janvier 2018" id='txt'/>

CSS

#txt{
    font-size:1rem;
    position:relative;
    padding:7px;
    text-align:justify;
    background:#e7e7e7;
    white-space: nowrap;
    overflow: hidden;
    direction:rtl;
    width:2.2rem;
    padding:2rem;
}
#txt::last-letter {
  color:white;
}