data8/_sass/components/_components.copy-button.scss

/* Copy buttons */
.copybtn {
    padding: 0px 10px 0px 10px;
    height: 100%;
    max-height: 2em;
    position: absolute;
    right: -1px;
    top: 4px;
  }
  
div.highlight .copybtn {
    opacity: 1;
}
div.highlight {
    position: relative;
}