.buttonwrapper {
  margin-top: 100px;
}
.button-link {
  padding: 10px 15px;
  background: #4479BA;
  color: #FFF;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
  border: solid 1px #20538D;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.4);
  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 1px 1px rgba(0, 0, 0, 0.2);
  -moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 1px 1px rgba(0, 0, 0, 0.2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 1px 1px rgba(0, 0, 0, 0.2);
  -webkit-transition-duration: 0.2s;
  -moz-transition-duration: 0.2s;
  transition-duration: 0.2s;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  text-decoration: none;
}
.button-link:hover {
  background: #356094;
  border: solid 1px #2A4E77;
  text-decoration: none;
}
.button-link:active {
  -webkit-box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.6);
  -moz-box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.6);
  box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.6);
  background: #2E5481;
  border: solid 1px #203E5F;
}
<div class="buttonwrapper">
  <a target="" class="button-link" href="https://twitter.com/CSGOFlair">Twitter</a>
</div>