Internet Explorer 10 - shadows are fine here (Microsoft have fixed this issue)
FireFox - I reposted screenshot of FireFox because I realized that width of content was not same like in PowerPoint file (fixed)
Code preview - HTML
Code preview - CSS
@font-face was used in order to provide same text (font) look on all browsers and platforms since for example Linux distributions don't have by default installed "Colibri (body)" font.