1Fixed Backgrounds
Using 'background-attachment: fixed' creates a parallax effect where the background stays still while the content scrolls over it.
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Background Image Control in CSS3: Styling & Design
Master the use of background-image in CSS3. Comprehensive tutorial on responsive scaling (cover/contain), positioning, parallax effects, and web performance optimization.
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Background Systems
Control image scaling algorithms and spatial anchoring.
Pascual Vila
Frontend Instructor // Code Syllabus
Lesson Glossary
[01]Background Image
A CSS property that sets one or more background images for an element. The background images are drawn on top of the background color.
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background-image: url('hero.jpg');[02]background-size: cover
Scales the image as large as possible to fill the container completely. Some edges may be cropped to maintain aspect ratio.
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background-size: cover;[03]background-size: contain
Scales the image as large as possible without cropping. The entire image remains visible, which may cause blank letterboxing.
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background-size: contain;[04]Parallax Effect
A visual effect where the background image moves slower than the foreground content as the user scrolls, creating an illusion of depth.
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background-attachment: fixed;