<ul>
  <li><span><a href="#">Link</a></span></li>
  <li><span><a href="#">Link</a></span></li>
  <li><span><a href="#">Link</a></span></li>
</ul>

ul {
  list-style: none;
  margin: 0;
  padding: 0;
  li {
    padding: 5px 20px;
    position: relative;
    display: flex;
    align-items: center;
    a {
      text-decoration: none;
      color: #000;
      &:hover, &:focus {
        color: red;
      }
    }
    &:before {
      content: '\2713';
      color: #000;
      position: absolute;
      left: 5px;
    }
  }
}