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Linking CSS to HTML - Cheat Sheet & Quick Revision

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Recall & Review
beginner
What is the HTML tag used to link an external CSS file?
The <link> tag is used inside the <head> section to link an external CSS file.
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beginner
How do you specify the path to the CSS file in HTML?
Use the href attribute inside the <link> tag to specify the path to the CSS file, like href="styles.css".
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beginner
What attribute tells the browser the linked file is a stylesheet?
The rel="stylesheet" attribute tells the browser that the linked file is a CSS stylesheet.
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beginner
Where in the HTML document should the CSS link be placed?
The CSS link should be placed inside the <head> section to ensure styles load before the page content.
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intermediate
Can you link multiple CSS files in one HTML document?
Yes, you can add multiple <link> tags inside the <head> to link several CSS files.
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Which HTML tag is used to link an external CSS file?
A&lt;link&gt;
B&lt;style&gt;
C&lt;css&gt;
D&lt;script&gt;
What attribute in the <link> tag specifies the CSS file location?
Arel
Bsrc
Chref
Dtype
What value should the rel attribute have to link a CSS file?
Astylesheet
Bcss
Clink
Dstyle
Where is the best place to put the CSS <link> tag in HTML?
AInside the <code>&lt;body&gt;</code>
BInside the <code>&lt;head&gt;</code>
CAt the end of the document
DInside a <code>&lt;footer&gt;</code>
Can you link more than one CSS file in an HTML page?
ANo, you must use inline styles instead
BNo, only one CSS file is allowed
CYes, but only if they are combined into one file
DYes, by adding multiple <code>&lt;link&gt;</code> tags
Explain how to link an external CSS file to an HTML document.
Think about the tag and attributes needed in the head section.
You got /4 concepts.
    Why is it important to place the CSS link inside the section?
    Consider what happens if styles load too late.
    You got /3 concepts.

      Practice

      (1/5)
      1. What is the correct HTML tag to link an external CSS file to an HTML document?
      easy
      A. <script>
      B. <style>
      C. <link>
      D. <css>

      Solution

      1. Step 1: Identify the tag used for linking external resources

        The <link> tag is used in HTML to connect external files like CSS.

      2. Step 2: Confirm the tag's purpose for CSS

        <style> is for internal CSS, <script> is for JavaScript, and <css> is not a valid tag.

      3. Final Answer:

        <link> -> Option C

      4. Quick Check:

        Link CSS with <link> tag [OK]
      Hint: Use <link> tag inside <head> to connect CSS [OK]
      Common Mistakes:
      • Using <style> tag for external CSS
      • Using <script> tag instead of <link>
      • Trying to use a non-existent <css> tag
      2. Which of the following is the correct syntax to link a CSS file named "styles.css" in your HTML document?
      easy
      A.
      B.
      C.
      D.

      Solution

      1. Step 1: Check the correct attributes for linking CSS

        The <link> tag needs rel="stylesheet" and href="filename.css" to link CSS properly.

      2. Step 2: Eliminate incorrect attribute usage

        rel="script" is wrong, <style> does not use src, and <script> is for JavaScript files.

      3. Final Answer:

        <link rel="stylesheet" href="styles.css"> -> Option A

      4. Quick Check:

        Use rel="stylesheet" and href for CSS link [OK]
      Hint: Use rel="stylesheet" and href="file.css" in <link> [OK]
      Common Mistakes:
      • Swapping rel and href attribute values
      • Using <style> tag with src attribute
      • Using <script> tag for CSS files
      3. Given this HTML snippet, what will be the color of the paragraph text?
      <head>
  <link rel="stylesheet" href="styles.css">
</head>
<body>
  <p>Hello World!</p>
</body>

      And the CSS file styles.css contains:
      p { color: blue; }
      medium
      A. Red
      B. Blue
      C. Green
      D. Black (default)

      Solution

      1. Step 1: Understand the CSS selector and property

        The CSS targets all <p> elements and sets their color to blue.

      2. Step 2: Confirm the CSS file is linked correctly

        The HTML uses <link rel="stylesheet" href="styles.css">, so styles.css applies to the page.

      3. Final Answer:

        Blue -> Option B

      4. Quick Check:

        Linked CSS sets <p> color to blue [OK]
      Hint: Linked CSS styles apply to matching HTML elements [OK]
      Common Mistakes:
      • Assuming default black color without checking CSS
      • Confusing CSS file name or path
      • Ignoring the <link> tag in <head>
      4. What is wrong with this HTML code if the CSS file "main.css" is not applying styles?
      <head>
  <link rel="stylesheet" href="main.css">
</head>
<body>
  <h1>Welcome</h1>
</body>

      Assuming the file "main.css" exists in the same folder.
      medium
      A. The <link> tag is correctly placed and written.
      B. The <link> tag should be inside the <body> tag.
      C. The href attribute value is incorrect.
      D. The <link> tag is missing the 'rel' attribute.

      Solution

      1. Step 1: Check the <link> tag attributes

        The <link> tag has rel="stylesheet" and href="main.css", which is correct.

      2. Step 2: Verify placement of the <link> tag

        The <link> tag is correctly placed inside the <head> section, which is standard practice.

      3. Final Answer:

        The <link> tag is correctly placed and written. -> Option A

      4. Quick Check:

        Correct <link> tag with rel and href in <head> [OK]
      Hint: Place <link> in <head> with rel and correct href [OK]
      Common Mistakes:
      • Putting <link> inside <body> instead of <head>
      • Forgetting rel="stylesheet" attribute
      • Incorrect file path in href
      5. You want to link two CSS files, "base.css" and "theme.css", to your HTML page. "theme.css" should override some styles in "base.css". Which is the correct way to link them?
      hard
      A.
      B.
      C.
      D.

      Solution

      1. Step 1: Understand CSS loading order

        CSS files loaded later override earlier ones if selectors match.

      2. Step 2: Place base.css first, then theme.css

        Link base.css first, then theme.css so theme.css can override base styles.

      3. Step 3: Check options for correct syntax and order

        <link rel="stylesheet" href="base.css"> <link rel="stylesheet" href="theme.css"> links base.css first, then theme.css correctly. <link rel="stylesheet" href="theme.css"> <link rel="stylesheet" href="base.css"> reverses order. <style>@import url('theme.css'); @import url('base.css');</style> uses @import inside <style> tag but loads theme.css first then base.css, so base overrides theme incorrectly. <link rel="stylesheet" href="base.css" theme="theme.css"> is invalid syntax.

      4. Final Answer:

        <link rel="stylesheet" href="base.css"> <link rel="stylesheet" href="theme.css"> -> Option D

      5. Quick Check:

        Load base.css before theme.css for overrides [OK]
      Hint: Link base.css first, then theme.css to override [OK]
      Common Mistakes:
      • Reversing the order of CSS files
      • Using invalid attributes in <link>
      • Using @import inside <style> instead of <link>