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GIF format
Links and images11/17
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  • 1. What is a link? The a tag
  • 2. Relative addresses
  • 3. Absolute addresses
  • 4. Links to files
  • 5. An in-page link
  • 6. The img tag for images
  • 7. Image formats, SVG format
  • 8. JPEG format
  • 9. PNG format
  • 10. GIF format
  • 11. Image dimensions
  • 12. alt attribute
  • 13. Image link
  • 14. The figure and figcaption tags for illustrations and captions
  • 15. Links without href and the title attribute
  • 16. Summary of “Links and Images”
  • 17. Test: Cat tours travel agency gallery
alt attribute
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Image dimensions

We learned about the basic image formats, but Muffin again sent us some corrections. When he tried to read our entry, some of the images did not fit on the screen of his monitor, and some were hard to see. This is because we forgot to think about the image dimensions.

In HTML, you can set an image’s dimensions with the width and height attributes. Write the dimensions in pixels as numbers, without the px unit. For example:

<img src="logo.png" width="200" height="100">

In the example above, the image has been assigned a width of 200px and a height of 100px.

If you specify only one of the dimensions, whether width or height, then the browser will calculate the second dimension independently based on the image proportions.

When setting both width and height, keep the image’s original aspect ratio. If the two values give it a different ratio, the image will look stretched or squashed.

Comments

  • index.html
  • style.css
HTML
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>The website of a beginning coder</title> <link rel="stylesheet" href="style.css"> </head> <body> <header> <p>Blog</p> <nav> <a href="index.html">Return to home</a> </nav> </header> <main> <article> <h1>Day Fourteen. A New Format</h1> <p>Yesterday, I found the right format for my avatar and added the image to my blog. I love how it looks! I decided to make a cheat sheet to remember the other image formats and what each one is used for.</p> <p>Here is my first GIF:</p> <!-- Specify the width and height of this image --> <img src="files/gifka.gif"> <p>Here is a PNG image:</p> <!-- Specify the height of this image --> <img src="files/portrait.png"> <p>For example, here is a JPEG image:</p> <!-- Specify the width of this image --> <img src="files/instructor-muffin.jpg"> </article> <aside> Your ad could go here </aside> </main> <footer> Website footer </footer> </body> </html>
CSS
body { padding: 0 30px; font-size: 14px; line-height: 22px; font-family: "Georgia", serif; color: #222222; } h1 { font-size: 20px; line-height: normal; } aside { margin: 20px 0; color: #c4c4c4; } a[href] { color: #0099ef; text-decoration-line: underline; }

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    1. Specify the width width="250" and height height="120" for the first image.
    2. Then specify a height of 250 for the second image.
    3. And finally assign a width of 250 for the third image.

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