JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <div class="div block">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Fugit, illum?</div>
  <div class="div block">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Fugit, illum?</div>
  <div class="div block">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Fugit, illum?</div>
  <div class="div block">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Fugit, illum?</div>
  <div class="div block">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Fugit, illum?</div>
  <div class="div block">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Fugit, illum?</div>
  <div class="div block">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Fugit, illum?</div>
  <div class="div block">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Fugit, illum?</div>
  <div class="div block">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Fugit, illum?</div>
  <div class="div block">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Fugit, illum?</div>
</div>

CSS

.container {
  display: flex;
  flex-direction: column;
}
.block {
  width: 50%;
}
.block:nth-child(even)  {
  margin-left: auto;
}

/* Делаем на всю ширину для мобилок */
@media screen and (max-width: 400px) {
  .block {
    width: 100%;
  }
}