JSFiddle - React, Tailwind, and code Playground

HTML

<html>
<head>
<style>
@import url(https://code.ionicframework.com/ionicons/2.0.1/css/ionicons.min.css);
@import url(https://fonts.googleapis.com/css?family=Raleway:400,500,800);
@import url(https://fonts.googleapis.com/css?family=Montserrat:800);

/* MOBILE CUSTOMIZATIONS */
@media screen and (max-width: 767px) {
  .snip1214 .plan {
    width: 90%;
    margin: 0 auto;
    background-color: blue;
  }
}

@media screen and (min-width: 768px) {
  .snip1214 .plan {
    margin: 0;
    width: 25%;
    position: relative;
    float: left;
    background-color: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.1);
  }
}




html {
  height: 100%;
}

body {
  background-color: #212121;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-flow: wrap;
  margin: 0;
  height: 100%;
}
.snip1214 {
  font-family: 'Raleway', Arial, sans-serif;
  color: #000000;
  text-align: center;
  font-size: 16px;
  width: 100%;
  max-width: 1000px;
  margin: 40px 10px;
}

.snip1214 * {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.snip1214 header {
  position: relative;
}

.snip1214 .plan-title {
  position: relative;
  top: 0;
  font-weight: 800;
  padding: 5px 15px;
  margin: 0 auto;
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
  margin: 0;
  display: inline-block;
  background-color: #222f3d;
  color: #ffffff;
  text-transform: uppercase;
}
.snip1214 .plan-cost {
  padding: 0px 10px 20px;
}
.snip1214 .plan-price {
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 800;
  font-size: 2.4em;
  color: #34495e;
}
.snip1214 .plan-type {
  opacity: 0.6;
}
.snip1214 .plan-features {
  padding: 0;
  margin: 0;
  text-align: center;
  list-style: outside none none;
  font-size: 0.8em;
}
.snip1214 .plan-features li {
  border-top: 1px solid #d2d7e2;
  padding: 10px 5%;
}
.snip1214 .plan-features li:nth-child(even) {
  background: rgba(0, 0, 0, 0.08);
}
.snip1214 .plan-features i {
  margin-right: 8px;
  opacity: 0.4;
}
.snip1214...