<div class="middle">
  <h1>CSS Radio Button</h1>
  <label>
  <input type="radio" name="radio" checked/>
  <div class="front-end box">
    <span>Front-end</span>
  </div>
</label>

  <label>
  <input type="radio" name="radio"/>
  <div class="back-end box">
    <span>Back-end</span>
  </div>
</label>
  <p>Made <span></span> by <a href="https://github.com/gabrielferreiraa" target="_blank">@gabrielferreiraa</a></p>
</div>
@import url("https://fonts.googleapis.com/css?family=Dax:400,900");
$font: "Dax", sans-serif;
$white: #fff;
$green: #007e90;
html {
  background-color: #1a1a1a;
  overflow: hidden;
}

.middle {
  width: 100%;
  text-align: center;
  h1 {
    font-family: $font;
    color: $white;
  }
  input[type="radio"] {
    display: none;
    &:checked {
      + .box {
        background-color: $green;
        span {
          color: white;
          transform: translateY(70px);
          &:before {
            transform: translateY(0px);
            opacity: 1;
          }
        }
      }
    }
  }
  .box {
    width: 200px;
    height: 200px;
    background-color: $white;
    transition: all 250ms ease;
    will-change: transition;
    display: inline-block;
    text-align: center;
    cursor: pointer;
    position: relative;
    font-family: $font;
    font-weight: 900;
    &:active {
      transform: translateY(10px);
    }
    span {
      position: absolute;
      transform: translate(0, 60px);
      left: 0;
      right: 0;
      transition: all 300ms ease;
      font-size: 1.5em;
      user-select: none;
      color: $green;
      &:before {
        font-size: 1.2em;
        font-family: FontAwesome;
        display: block;
        transform: translateY(-80px);
        opacity: 0;
        transition: all 300ms ease-in-out;
        font-weight: normal;
        color: white;
      }
    }
  }
  .front-end {
    span {
      &:before {
        content: "\f121";
      }
    }
  }
  .back-end {
    span {
      &:before {
        content: "\f0f4";
      }
    }
  }

  /* Made by */
  p {
    color: $white;
    font-family: $font;
    font-weight: 400;
    a {
      text-decoration: underline;
      font-weight: bold;
      color: #fff;
    }
    span {
      &:after {
        content: "\f0e7";
        font-family: FontAwesome;
        color: yellow;
      }
    }
  }
}
View Compiled
/* No JavaScript :p */

External CSS

  1. https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css

External JavaScript

This Pen doesn't use any external JavaScript resources.