/* Link buttons keep their label and icon color across all anchor states. */
a.button:link,
a.button:visited,
a.button:hover,
a.button:focus-visible,
a.button:active,
.button a:link,
.button a:visited,
.button a:hover,
.button a:focus-visible,
.button a:active,
a.preview_download_btn:link,
a.preview_download_btn:visited,
a.preview_download_btn:hover,
a.preview_download_btn:focus-visible,
a.preview_download_btn:active,
a.preview_open_btn:link,
a.preview_open_btn:visited,
a.preview_open_btn:hover,
a.preview_open_btn:focus-visible,
a.preview_open_btn:active {
    color: #fff;
}