Button colours can be adjusted in the CSS files of your theme. Do you use a theme or do you use the standard elgg theme?

In any case the files you need to edit is in: views/default/css/elements/buttons.phpIt's recomended that you change this in your theme and not in the elgg core files.

If you don't use a theme, you can write a small plugin where you extend the buttons.php view. This way you don't have to edit it again when you update your Elgg install.

i use a theme

Oh, sorry I read it wrong, in the case you only want to edit the like button, you can do this in you /mod/likes/views/default/likes/button.php file and css.php file

i will check it out.....and see

checked i don't see the line to edit.......can you guild me.........please

what theme your using ??

juipo custom theme......paid for theme not available in elgg plugin.....but did some customization...

We cannot see from a distance what your themedesigner changed and where he wrote his css lines. What's the name of the theme?

the theme does not over write  the css of like button.........it still display the default like plugin....icon

i think it is better if i create a plugin to overwrite the default views.....