How to Apply Bootstrap Styles to Specific Elements without Manual Parent Selectors?

Using CSS Styles on Specific Elements

In the transition from table-based layouts to CSS, you may encounter the need to apply CSS styles only to specific sections of web pages. This can be achieved by encapsulating desired elements within a designated class. For instance, you could wrap a form in a div with the "bootstrap" class like this:

<div>

However, you want other forms on the page to retain their current styling. Is there a simpler way to achieve this without manually adding parent selectors to every Bootstrap CSS rule?

Solution

For Bootstrap 3, using LESS simplifies the process:

1. Download the Bootstrap source code and create a style.less file as follows:

.bootstrap {
    @import "/path-to-bootstrap-less.less";
    @import "/path-to-bootstrap-responsive-less.less";
}

2. Compile the LESS file. You can use command-line tools like Node.js with Less.js or explore GUI compilers. Alternatively, install LESS with npm and compile the file as follows:

npm install -g less
lessc style.less style.css

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