JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper">
  <div class="item">
    <h2>Запишитесь на бла бла бла</h2>
    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Excepturi tempore eaque ducimus, id neque corrupti sint qui error pariatur ab at sapiente fuga, soluta delectus accusamus nihil quisquam hic in!</p>
    <button>Клини сюда</button>
  </div>
</div>

CSS

* {
  box-sizing: border-box;
}
.wrapper {
  padding: 15px;
  width: 300px;
  min-height: 400px;
  border: 1px solid blue;
}
.item {
  padding: 15px;
  border: 3px solid blue;
}