<div class="container">
  <p></p>
  <div class="element">
    <p>
      I have a black border, and fake multiple borders created using the <code>box-shadow</code> property. All my shadows have sharp edges because the blur radius value is set to 0.
    </p>
  </div>
</div>
body {
  background-color: #F5F5F5;
  color: #555;
  font-size: 1.1em;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.container {
  margin: 40px auto;
  width: 90%;
}

.element {
  padding: 20px;
  background-color: white;
  color: #222;
  margin-top: 70px;
  height: 200px;
  border: 10px solid black;
  box-shadow: 0 0 0 10px purple, 0 0 0 20px pink, 0 0 0 30px red, 0 0 0 40px orange;
}