<div class="wrapper">
  <div class="row">
     <a href="#" class="btn-yellow">Hello</a>
    <a href="#" class="btn-red">Hallo</a>
    <a href="#" class="btn-blue">Marhaban</a>
    <a href="#" class="btn-purple">Ni Hao</a>
  </div>
  <div class="row">
     <a href="#" class="btn-green">Hej</a>
    <a href="#" class="btn-pink">Bonjour</a>
    <a href="#" class="btn-lime">Namaste</a>
    <a href="#" class="btn-aqua">Ciao</a>
  </div>
  <div class="row">
     <a href="#" class="btn-orange">Konnichiwa</a>
    <a href="#" class="btn-gold">Annyeong</a>
    <a href="#" class="btn-grey">Goddag</a>
  </div>
</div>