<div class="btn-Wrapper">
  <a href="#" class="btn">Link Title
    <span class="bar-Wrapper">
      <span class="bar bar--01"></span>
      <span class="bar bar--02"></span>
      <span class="bar bar--03"></span>
    </span>
  </a>
</div>
.btn {
  margin: 0 auto;
  display: block;
  background-color: #c8161d;
  width: 300px;
  padding: 36px 20px;
  color: #ffffff;
  text-align: center;
  transition: 0.24s cubic-bezier(0.3, 0.74, 0.5, 0.93);
  text-decoration: none;

  &:hover {
    background-color: #e60012;

    .bar--01 {
      transform: rotate(0deg);
    }
    
    .bar--02, .bar--03 {
      width: 9px;
      
      position: absolute;
      left: 7px;
      border-radius: 5px;
    }
    .bar--02 {
      transform: rotate(45deg);
      top: 3.4px;
    }
    .bar--03 {
      transform: rotate(-45deg);
      top: 9px;
    }
  }
}

.bar-Wrapper {
  color: #ffffff;
  width: 16px;
  height: 16px;
  display: inline-block;
  vertical-align: middle;
  position: relative;
  top: -2px;
  left: 5px;

  .bar {
    transition: 0.24s cubic-bezier(0.3, 0.74, 0.5, 0.93);
    display: inline-block;
    position: absolute;
    top: 6px;
    left: 0;
    width: 15px;
    height: 2px;
    background-color: #ffffff;
    -webkit-transform-origin: 50%;
    transform-origin: 50%;
  }

  .bar--01 {
    transform: rotate(-90deg);
  }
}
View Compiled
Rerun