<div class="block">
  <h3>cs6</h3>
  <button>Скачать</button>
</div>

.block {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #000;
  h3 {
    text-transform: uppercase;
    color: #fff;
    margin-right: 20px;
  }
  button {
    height: 30px;
    background: #000;
    border: 1px solid #ccc;
    color: #fff;
    text-transform: uppercase;
    font-size: 12px;
    cursor: pointer;
  }
}