Bootstrap folder structure - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the main purpose of the css folder in a Bootstrap project?

The css folder holds all the CSS files, including Bootstrap's core styles and any custom styles you add to change the look of your site.

beginner

What files are typically found inside the js folder in Bootstrap?

The js folder contains JavaScript files that add interactive features, like modals and dropdowns, including Bootstrap's JavaScript plugins and sometimes custom scripts.

intermediate

Why do we have a fonts or webfonts folder in Bootstrap projects?

This folder stores font files used by Bootstrap or custom fonts, ensuring text displays correctly and consistently across browsers.

beginner

What is the role of the img folder in a Bootstrap folder structure?

The img folder holds all images used on the website, like logos, icons, and photos, keeping them organized and easy to find.

intermediate

Where do you place your custom Bootstrap theme files in the folder structure?

Custom theme files usually go inside the css folder, often named something like custom.css, so they load after Bootstrap's default styles.

Which folder in a Bootstrap project typically contains the JavaScript files?

A img

B css

C fonts

D js

The js folder contains JavaScript files that add interactivity to the site.

Where should you put your custom CSS files in a Bootstrap folder structure?

A css folder

B fonts folder

C img folder

D js folder

Custom CSS files go inside the css folder to override or add styles.

What is the main content of the img folder?

A JavaScript files

B Image files like logos and icons

C Font files

D CSS files

The img folder stores images used on the website.

Why do Bootstrap projects include a fonts or webfonts folder?

A To hold image files

B To store JavaScript plugins

C To keep font files for consistent text display

D To save CSS files

Fonts folder holds font files needed for proper text rendering.

Which folder would you check first if Bootstrap's interactive components are not working?

A js

B css

C img

D fonts

Interactive features rely on JavaScript files in the js folder.

Describe the typical folder structure of a Bootstrap project and the purpose of each main folder.

Think about where styles, scripts, images, and fonts are stored.

Explain why organizing files into folders like css, js, img, and fonts is helpful in a Bootstrap project.

Consider how neat folders help both developers and browsers.

Practice

1. What is the main purpose of organizing files into folders in a Bootstrap project?

easy

A. To make the website load slower

B. To hide files from the browser

C. To keep CSS, JavaScript, and images separate for easy management

D. To make the project folder look bigger

Solution

1. Step 1: Understand folder organization

   Organizing files into folders helps keep CSS, JavaScript, and images separate and easy to find.

2. Step 2: Recognize benefits

   This separation makes managing and updating the website easier and helps it load properly.

3. Final Answer:

   To keep CSS, JavaScript, and images separate for easy management -> Option C

4. Quick Check:

   Folder organization = Easy management [OK]

Hint: Folders separate file types for clarity and ease [OK]

Common Mistakes:

• Thinking folders slow down the website
• Believing folders hide files from browsers
• Assuming folder size affects project size

2. Which folder name is commonly used to store Bootstrap CSS files in a project?

easy

A. fonts

B. js

C. img

D. css

Solution

1. Step 1: Identify folder purpose

   The css folder is used to store stylesheets including Bootstrap CSS files.

2. Step 2: Match folder names

   js is for JavaScript, img for images, and fonts for font files.

3. Final Answer:

   css -> Option D

4. Quick Check:

   Bootstrap CSS files go in css folder [OK]

Hint: CSS files go in the css folder [OK]

Common Mistakes:

• Putting CSS files in js folder
• Using img folder for stylesheets
• Confusing fonts folder with CSS

3. Given this folder structure:
project/
├── css/
│ └── bootstrap.min.css
├── js/
│ └── bootstrap.bundle.min.js
└── img/
└── logo.png
Which file path should you use in your HTML to link the Bootstrap JavaScript file?

medium

A. js/bootstrap.bundle.min.js

B. img/logo.png

C. css/bootstrap.min.css

D. bootstrap.bundle.min.js

Solution

1. Step 1: Locate JavaScript file

   The Bootstrap JavaScript file is inside the js folder named bootstrap.bundle.min.js.

2. Step 2: Choose correct relative path

   To link it in HTML, use js/bootstrap.bundle.min.js as the path.

3. Final Answer:

   js/bootstrap.bundle.min.js -> Option A

4. Quick Check:

   JS file path = js/bootstrap.bundle.min.js [OK]

Hint: JS files are in js folder, use js/filename.js [OK]

Common Mistakes:

• Using css folder path for JS file
• Using image folder path for JS file
• Omitting folder name in path

4. You included Bootstrap CSS in your HTML as <link href='css/bootstrap.min.css'> but styles are not applied. What is the likely folder structure mistake?

medium

A. The CSS file is missing the .css extension

B. The CSS file is in the root folder, not inside css

C. The CSS file is inside the img folder, not css

D. The CSS file is inside the js folder, not css

Solution

1. Step 1: Check file path in link tag

   The link uses css/bootstrap.min.css, so the CSS file must be inside the css folder.

2. Step 2: Identify mismatch

   If the CSS file is actually in the root folder, the path is wrong and styles won't load.

3. Final Answer:

   The CSS file is in the root folder, not inside css -> Option B

4. Quick Check:

   File location must match path in HTML [OK]

Hint: Match file location with path in HTML link [OK]

Common Mistakes:

• Putting CSS in js folder
• Forgetting .css extension
• Putting CSS in img folder

5. You want to add custom styles to your Bootstrap project without changing the original Bootstrap files. Which folder structure is best practice?

hard

A. Create a new css/custom.css file and link it after Bootstrap CSS

B. Put custom CSS inside the img folder

C. Add custom styles inside the js folder

D. Put custom CSS inside the existing css/bootstrap.min.css file

Solution

1. Step 1: Avoid modifying Bootstrap files

   Modifying bootstrap.min.css directly can cause problems when updating Bootstrap.

2. Step 2: Use separate custom CSS file

   Creating css/custom.css and linking it after Bootstrap CSS allows safe customizations.

3. Final Answer:

   Create a new css/custom.css file and link it after Bootstrap CSS -> Option A

4. Quick Check:

   Custom styles in separate CSS file after Bootstrap [OK]

Hint: Keep Bootstrap files untouched; add custom CSS separately [OK]

Common Mistakes:

• Editing Bootstrap's original CSS file
• Placing CSS in js or img folders
• Not linking custom CSS after Bootstrap CSS