<div class="container">
  <div class="item">CSS</div>
  <div class="item">Hello CSS!</div>
  <div class="item">I lover CSS, CSS is awesome!</div>
  <div class="item">CSS is awesome! CSS is simple, but she is not easy!</div>
</div>
@import 'https://fonts.googleapis.com/css?family=Share+Tech+Mono';

@import 'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css';

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
    width: 100vw;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/1376484/jess-harding-lqT6NAmTaiY-unsplash.jpg'),radial-gradient(#28a3dd, #0d7751);
    background-size: cover;
    background-position: center;
    font-family: "Share Tech Mono", monospace;
    font-size: 2rem;
    background-blend-mode: multiply,screen, overlay;
}

.container {
  width: 80vw;
  height: 80vh;
  border:4px solid #f36;
  box-shadow: 1px 1px 4px 2px rgba(0,0,0,.5);
  display: flex;
  align-items: stretch;
}

.item {
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  text-shadow: 1px 1px 1px rgba(0,0,0,.5);
  font-size: 6vh;
  width: 10vw;
  
  max-width: 12vw;
  flex-basis: 15vw;
}

.item:nth-child(1){
  background-color: #f89;
}
.item:nth-child(2){
  background-color: #90f;
}
.item:nth-child(3){
  background-color: #20c0a9;
}
.item:nth-child(4){
  background-color: #8ac020;
}

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External CSS

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External JavaScript

This Pen doesn't use any external JavaScript resources.