packer-cn/website/source/assets/stylesheets/_footer.scss

#footer {
  padding-top: 50px;

  ul.footer-links {
    li {
      a {
        color: $footer-link-color;
        font-size: $footer-font-size;
        font-family: $font-body;
        text-decoration: none;

        &:hover, &:focus, &:active {
          background-color: transparent;
          color: $footer-link-color-hover;
          outline: 0;
        }

        @media (max-width: 992px) {
          text-align: center;
        }
      }
    }
  }
}