pre {
    position: relative;
}
.copy-button {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    padding: 0;
    margin: 0;
    background: transparent !important;
    opacity: 0.3;
    transition: 0.2s opacity;
    /* Base color from gruvbox-dark */
    color: #ebdbb2 !important;
}
.copy-button:active {
  transform: translate(1px, 1px);
}
.copy-button svg {
    height: 1.0rem;
    width: 1.0rem;
}
pre:hover .copy-button {
    opacity: 1;
}