Not sure what any of these errors mean

[AmyR7]

I have no idea what any of these errors mean at all.
Under error console-
Warning: Expected declaration but found '/'.  Skipped to next declaration.
Source File: http://www.webkinz.com/assets/stylesheets/splash.css
Line: 178
Warning: Error in parsing value for property 'cursor'.  Declaration dropped.
Source File: http://www.computerhope.com/forum/Themes/default/autoTooltips.css
Line: 13
Warning: Error in parsing value for property 'font-size'.  Declaration dropped.
Source File: http://static.ak.fbcdn.net/rsrc.php/zBNIU/lpkg/24zuuo0c/en_US/141/156927/css/8miun4q7u6cko4os.pkg.css
Line: 185
Warning: Error in parsing value for property 'filter'.  Declaration dropped.
Source File: http://static.ak.fbcdn.net/rsrc.php/z7NG3/lpkg/8669a2b0/en_US/141/160104/css/a264p1a9cnscssok.pkg.css
Line: 228
Warning: Error in parsing value for property 'cursor'.  Declaration dropped.
Source File: http://static.ak.fbcdn.net/rsrc.php/z7NG3/lpkg/8669a2b0/en_US/141/160104/css/a264p1a9cnscssok.pkg.css
Line: 229
Warning: Expected color but found 'none'.  Expected color but found 'none'.  Expected end of value for property but found 'none'.  Error in parsing value for property 'border'.  Declaration dropped.
Source File: http://b.static.ak.fbcdn.net/rsrc.php/z18WM/lpkg/dapbcrll/en_US/141/159056/css/5dngh93opg8wos48.pkg.css
Line: 168
Warning: Error in parsing value for property 'background-position'.  Declaration dropped.
Source File: http://static.ak.fbcdn.net/rsrc.php/zBNIU/lpkg/24zuuo0c/en_US/141/156927/css/8miun4q7u6cko4os.pkg.css
Line: 206
Warning: Expected end of value for property but found 'top'.  Error in parsing value for property 'position'.  Declaration dropped.
Source File: http://static.ak.fbcdn.net/rsrc.php/z96MF/lpkg/42sa3msb/en_US/141/159058/css/avqf3zq4sh4o4gg8.pkg.css
Line: 158
Warning: Unknown property 'zoom'.  Declaration dropped.
Source File: http://static.ak.fbcdn.net/rsrc.php/z7NG3/lpkg/8669a2b0/en_US/141/160104/css/a264p1a9cnscssok.pkg.css
Line: 20
Warning: Unknown property 'word-wrap'.  Declaration dropped.
Source File: http://b.static.ak.fbcdn.net/rsrc.php/z1NGP/lpkg/59i9oy5i/en_US/141/159927/css/1uom3yh8tp7o4so4.pkg.css
Line: 540
Warning: Expected ':' but found '0px'.  Declaration dropped.
Source File: http://b.static.ak.fbcdn.net/rsrc.php/z1NGP/lpkg/59i9oy5i/en_US/141/159927/css/1uom3yh8tp7o4so4.pkg.css
Line: 671
Warning: Error in parsing value for property 'overflow'.  Declaration dropped.
Source File: http://b.static.ak.fbcdn.net/rsrc.php/z6F40/lpkg/56vv4f6i/en_US/141/144622/css/1zd2xxizi6tc0ko4.pkg.css
Line: 173

There are so many others it lists too same as above mostly but in different lines.
Like I said, I have no idea what any of this means. I'm using my mom's computer at the moment. Mine does the same things too.