While attempting to integrate a bootstrap 4 template (using bootstrap 4 alpha 6), I encountered the following error:
Incompatible units: 'rem' and 'px'.
This occurred on the line:
$input-height: (($font-size-base * $input-btn-line-height) + ($input-btn-padding-y * 2)) !default;
Has anyone else faced this same issue? Any solutions or suggestions would be greatly appreciated. Thank you!
Bootstrap has made the switch from using pixels (px) in version 3 to using rems in version 4.
To make the change in
resources/assets/sass/_variables.scss$font-size-base: 14px; to $font-size-base: 1rem;
Bootstrap 4 now primarily relies on 'rem' instead of 'px'. For more information, check out https://github.com/twbs/bootstrap/issues/17070
In Laravel 5.4, the default variables.scss is compatible with Bootstrap version 3.3.X, which may cause issues.
To switch to Bootstrap 4, simply remove the import of the 3.3.X variables file located in
resouces/assets/sass/app.scss
and replace
// Variables
@import "variables";
with
// Variables
@import "~bootstrap/scss/variables";
Hopefully, this solution resolves the compatibility problem!
In the latest version of Bootstrap 4.1.3, the $font-size-base variable is set to 1rem.
The issue seems to be specifically related to the $font-size-base variable.
Since Bootstrap uses rem as the global unit of measurement, you can simply set the $font-size-base to 1 (removing the rem part) to successfully compile your SASS files. This method works well as the calculations involving $font-size-base eventually include rem.
While I cannot guarantee this will work for everyone, it solved the problem for me and may be helpful to others.
By following this approach, you can easily bring in your custom variables without encountering any issues.
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