.mx-scu-cart-link-wrap {
  margin: 1em 0;
}

.mx-scu-copy-btn .dashicons-admin-links {
  /* make it an inline-block so vertical-align actually works */
  display: inline-block;
   font-size: 1em;
  line-height: 1;
  /* center it on the text’s middle line */
  vertical-align: baseline;
 
}