Add Text to the Slideshow and Download Buttons in the Gallery Header

If you would like to add text to the "Slideshow" (play) button and the download button, you can enter the following CSS

To add "Slideshow" to the slideshow button

/* Add the word "Slideshow" to the slideshow button in the Gallery Header */
.sm-gallery-cover-slideshow-button:after {
    content: ' Slideshow';
    margin-left: 5px;
}

To add "Download" to the Download button

/* Add the word "Download" to the Download button in the Gallery Header */
.sm-gallery-cover-download-button:after {
    content: ' Download';
    margin-left: 5px;
}

Originally from dgrin: http://www.dgrin.com/showthread.php?p=2034549#post2034549