<nav class="breadcrumbs">
  <a href="#home" class="breadcrumbs__item">Home</a>
  <a href="#shop" class="breadcrumbs__item">Shop</a> 
  <a href="#cart" class="breadcrumbs__item">Cart</a>
  <a href="#checkout" class="breadcrumbs__item is-active">Checkout</a> 
</nav>

.breadcrumbs {
  border: 1px solid #cbd2d9;
  border-radius: 0.3rem;
  display: inline-flex;
  overflow: hidden;
}

.breadcrumbs__item {
  background: #fff;
  color: #333;
  outline: none;
  padding: 0.75em 0.75em 0.75em 1.25em;
  position: relative;
  text-decoration: none;
  transition: background 0.2s linear;
}

.breadcrumbs__item:hover:after,
.breadcrumbs__item:hover {
  background: #edf1f5;
}

.breadcrumbs__item:focus:after,
.breadcrumbs__item:focus,
.breadcrumbs__item.is-active:focus {
  background: #323f4a;
  color: #fff;
}

.breadcrumbs__item:after,
.breadcrumbs__item:before {
  background: white;
  bottom: 0;
  clip-path: polygon(50% 50%, -50% -50%, 0 100%);
  content: "";
  left: 100%;
  position: absolute;
  top: 0;
  transition: background 0.2s linear;
  width: 1em;
  z-index: 1;
}

.breadcrumbs__item:before {
  background: #cbd2d9;
  margin-left: 1px;
}

.breadcrumbs__item:last-child {
  border-right: none;
}

.breadcrumbs__item.is-active {
  background: #edf1f5;
}

/* Some styles to make the page look a little nicer */
body {
  color: #323f4a;
  background: #f5f7fa;
  display: flex;
  align-items: center;
  justify-content: center;

}

html, body {
  height: 100%;
}