css new style for radio buttons

index.html

  <label for="accessible">
    <input type="radio" value="accessible" name="quality" id="accessible"> <span>accessible</span>
  </label>

  <label for="pretty">
    <input type="radio" value="pretty" name="quality" id="pretty"> <span>pretty</span>
  </label>

  <label for="accessible-and-pretty">
    <input type="radio" value="pretty"  name="quality" id="accessible-and-pretty" checked> <span>accessible and pretty</span>
  </label>

style.css

/* HTML5 Boilerplate accessible hidden styles */
[type="radio"] {
  border: 0; 
  clip: rect(0 0 0 0); 
  height: 1px; margin: -1px; 
  overflow: hidden; 
  padding: 0; 
  position: absolute; 
  width: 1px;
}

/* One radio button per line */
label {
  display: block;
  cursor: pointer;
  line-height: 2.5;
  font-size: 1.5em;
  background: #85b85c;
  margin: 10px 0;
  padding: 10px;
  border: 3px solid #ccc;
}

/* the basic, unchecked style */
[type="radio"] + span:before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.25em;
  border-radius: 1em;
  border: 0.125em solid #ccc;
  box-shadow: 0 0 0 0.14em #ccc;
  margin-right: 0.75em;
  transition: 0.5s ease all;
}

/* the checked style using the :checked pseudo class */
[type="radio"]:checked + span:before {
    background: #fff;
    border: 0.125em solid #85b85c;
    box-shadow: 0 0 0 0.23em #fff;
}