XF 2.0 CSS ParseError. Admin template does't work.

[alexis78i]

Hello!
I have two errors with the CSS parser. Admin template is no load.
I really don't know what happed, i already deleted the error on line 2370. I found it on DB and delete too, but... i need help.
How can i do more?
Thanks!

less.php/lib/Less/Parser.php:677
ParseError: Unexpected input in anonymous-file-0.less on line 2370, column 2
2368| border-bottom-color: darken(darken(rgb(254, 254, 254), 15%), 5%);
2369| border-left-color: darken(rgb(254, 254, 254), 15%);
2370| background:#333
2371| border-radius: 4px;
2372|
2373| .m-transition(); .m-transitionProperty(border margin); // edgeSpacerRemoval

less.php/lib/Less/Parser.php:677
ParseError: Unexpected input in anonymous-file-284.less on line 2507, column 2
2505| background: rgb(254, 254, 254);
2506| border-width: 1px;
2507| border-style: solid;
2508| border-top-color: lighten(darken(rgb(254, 254, 254), 15%), 3%);
2509| border-right-color: darken(rgb(254, 254, 254), 15%);
2510| border-bottom-color: darken(darken(rgb(254, 254, 254), 15%), 5%);