JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
	<main>  
1
 </main>
	<aside>
2</aside>

		</div>

CSS

body {
  font-family: 'RobotoLight','Open Sans', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  background-color: #f8f8f8;
  font-smoothing: always;
display:-webkit-flex;
display:-ms-flexbox;
display:flex;
-webkit-flex-direction:column;
-ms-flex-direction:column;
 flex-direction:column;
}

p {
  font-family: 'RobotoRegular','Open Sans', sans-serif;
  font-size: 1.4rem;
  color: rgba(0, 0, 0, 0.87);
}
.container {
min-height: 100vh;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -ms-flex-direction: row;
  -webkit-flex-direction: row;
          flex-direction: row;
  -ms-flex-wrap: nowrap;
      -webkit-flex-wrap: nowrap;
          flex-wrap: nowrap;
  margin-left: auto;
  margin-right: auto;
  -ms-flex-pack: justify;
      -webkit-justify-content: space-between;
          justify-content: space-between;
}
@media only screen and (max-width: 600px) {
  .container {
    width: 100%;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    margin-top: 10px;
  }
}
@media only screen and (min-width: 601px) and (max-width: 959px) {
  .container {
    width: 750px;
    -ms-flex-direction: column;
    -webkit-flex-direction: column;
            flex-direction: column;
    margin-top: 10px;
  }
}

@media only screen and (min-width: 960px) and (max-width: 1279px) {
  .container {
    width: 970px;
    -ms-flex-direction: row;
    -webkit-flex-direction: row;
            flex-direction: row;
    margin-top: 10px;
  }
}

@media only screen and (min-width: 1280px) and (max-width: 1599px) {
  .container {
    width: 1200px;
    -ms-flex-direction: row;
    -webkit-flex-direction: row;
            flex-direction: row;
    margin-top: 50px;
  }
}

@media only screen and (min-width: 1600px) and (max-width: 1920px) {
  .container {
    width: 1200px;
    -ms-flex-direction: row;
   ...