To see the original sass code in the CSS file of bootstrap we need the custom.css file.
What is a css file?
CSS (Cascading Style Sheets) are coding files that pick out certain page elements and manage their presentation. Consider the HTML of your custom template as the skeleton of your website and the CSS as the skin. In this article, we'll go over how to create, publish, and attach a CSS file in HubSpot.
Original sass code is in the custom.css file which contains the basic info about the original sass code additionally if you want to include the other files in the code custom.css files allows you to do so.
Hence to conclude custom.css file contains the original sass code.
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