Update the less mixin

I attempted to eliminate the border radius from all Bootstrap elements by creating a custom-mixins.less file with the following lines in it. My intention was for these lines to overwrite the original .border-radius mixin, but unfortunately, it did not work as expected.

// Border Radius
.border-radius(@radius) {      
}

In search of an alternative solution, I tried the following lines which did end up working.

// Border Radius
.border-radius(@radius) {
  @radius : 0px;
  -webkit-border-radius: @radius;
     -moz-border-radius: @radius;
          border-radius: @radius;
}

After experimenting with some mixins on http://less2css.org, it became apparent that instead of overwriting the mixins, Less simply appends all the properties from later mixins to the original one. Is there a cleaner and easier way to achieve this goal?

Answer №1

Less operates in a similar way to CSS when it comes to this issue. For instance, if you had the following CSS:

p { border: 1px solid black; }

All paragraphs would have a black border applied to them. If later on in the document you included:

p { }

You wouldn't anticipate it to replace your previous definition, correct?

Therefore, in this scenario, it is behaving as expected. You must explicitly overwrite the CSS values that you want to change.

Answer №2

Starting from version 1.7.0 of lesscss, it is now possible to use "detached rulesets" for styling. However, even with the latest version 1.7.5, I encountered a "ParseError: Unrecognised input" when trying to implement this syntax

[EDIT]: The parse error was due to the missing semi-colon after the ruleset definition. Once corrected, it worked smoothly - the ruleset acts as a variable without any parameters, allowing for easy overriding.

Answer №3

When incorporating Bootstrap less files into your project, consider adjusting the Bootstrap component radius variables like so:

@border-radius-base: 0px;
@border-radius-small: 0px;
@border-radius-large: 0px;

If you're not importing Bootstrap less files, you can customize and download the Bootstrap CSS code with the radius variables set to 0px values at http://getbootstrap.com/customize/

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