<div class="container">
  <div class="item-2"><a href="#">Link 2</a></div>
  <div class="item-3"><a href="#">Link 3</a></div>
  <div class="item-4"><a href="#">Link 4</a></div>
  <div class="item-1"><a href="#">Link 1</a></div>
  <div class="item-5"><a href="#">Link 5</a></div>
  <div class="item-6"><a href="#">Link 6</a></div>
</div>

html {
  background: #f6faff;
}

a {
    color: #457fdc;
    text-decoration: none;
}
a:focus {
    outline: #457fdc 0.1875rem solid;
}
.container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 0.625rem;
  }
  
.container > * {
  padding: 1.875rem;
  font-size: 1.875rem;
  font-weight: 800;
  text-align: center;
  background: #dfeffd;
  border: 3px solid #457fdc;
  color: #457fdc;
}

.item-1 {
  border-color: tomato;
  color: tomato;
  background-color: mistyrose;
}
.item-1 a {
  color: tomato;
}