JSFiddle - React, Tailwind, and code Playground

HTML

<h1>
سلام
</h1>

CSS

h1{
  direction:rtl;
  transition: all 0.3s ease;
}
h1:hover{
  background-color: #333;
  color: #fff;
  transition: all 0.3s ease;
  padding-right: 15px;
}