image/x-portable-pixmap        ppm              #
image/x-rgb                    rgb              # RGB Image File
image/x-xbitmap                xbm              # X-bitmap Image File
image/x-xpixmap                xpm              # X-pixmap Image File
image/x-xwindowdump            xwd              #
text/css                       css              # Cascading Style Sheet
text/html                      html htm         # HTML Document