JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <div>This is right-aligned.</div>
  <span class="block">So is this.</span>
  <span class="width">And so is this!</span>
  <span class="block width">But this is not :(</span>
</div>

CSS

.container {
  text-align: right;
}

.block {
  display: block;
}
  
.width {
  width: 150px;
}