$backgroundColor :#0089e0;

.tags {
  list-style: none;
  li {
    float: left;
    height: 20px;
    position: relative;
  }
  a {
    float: left;
    height: 20px;
    line-height: 20px;
    position: relative;
    font-size: 12px;
    margin-left: 20px;
    padding: 0 7px 0 12px !important;
    background: $backgroundColor;
    color: #fff;
    text-decoration: none;
    border-bottom-right-radius: 4px;
    border-top-right-radius: 4px;
    &:before {
      content: "";
      float: left;
      position: absolute;
      top: 0;
      left: -10px;
      width: 0;
      height: 0;
      border-color: transparent $backgroundColor transparent transparent;
      border-style: solid;
      border-width: 10px 10px 10px 0;
    }
    &:after {
      content: "";
      position: absolute;
      top: 8px;
      left: 0;
      float: left;
      width: 4px;
      height: 4px;
      border-radius: 2px;
      background: #fff;
      box-shadow: -1px -1px 2px #004977;
    }
    &:hover {
      background: #555;
      &:before {
        border-color: transparent #555 transparent transparent;
      }
    }
  }
}