Sticky Header - CSS Typing CST Test
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Sticky Header — CSS Code
Demonstrates a sticky header that stays visible while scrolling.
header {
position: sticky;
top: 0;
background: #007bff;
color: white;
padding: 1rem;
box-shadow: 0 2px 5px rgba(0,0,0,0.1);
z-index: 1000;
}CSS Language Guide
CSS (Cascading Style Sheets) is a stylesheet language used to describe the presentation of HTML documents. It controls layout, colors, fonts, spacing, and visual effects, separating content structure from design.
Primary Use Cases
- ▸Styling web pages and HTML elements
- ▸Responsive design for multiple screen sizes
- ▸Creating layouts using Flexbox and Grid
- ▸Applying animations and transitions
- ▸Theme management and branding for websites
Notable Features
- ▸Selectors and combinators to target elements
- ▸Box model controlling margins, borders, padding, and content
- ▸Media queries for responsive design
- ▸Pseudo-classes and pseudo-elements for advanced styling
- ▸Support for transitions, animations, and transformations
Origin & Creator
Developed by Håkon Wium Lie in 1994 while working with Tim Berners-Lee at CERN.
Industrial Note
CSS is specialized for visual presentation and layout rather than content creation or logic processing.