CSS positioning defines how elements are placed within a web page. It allows you to control the layout, stacking order, and alignment of elements. The primary positioning types in CSS are:
| Position Property | Description |
|---|
| Fixed | An element with position: fixed property remains in the same position relative to the viewport even when the page is scrolled. |
| Static | Default positioning method. Elements with position: static are positioned according to the normal flow of the document. |
| Relative | Elements with position: relative are positioned relative to their normal position in the document flow. Other elements will not fill the gap left by this element when adjusted. |
| Absolute | Positioned concerning its nearest non-static ancestor. Elements with position: absolute are taken out of the normal document flow. |
| Sticky | Combines features of position: relative and position: fixed. The element is treated as position: relative until it reaches a specified threshold, then it becomes position: fixed. |
1. Static Positioning
Static is the default position of an element. It does not accept properties like top, left, right, or bottom.
HTML <!--Driver Code Starts--> <html> <head> <!--Driver Code Ends--> <style> div { border: 1px solid black; padding: 10px; margin: 10px; } </style> <!--Driver Code Starts--> </head> <body> <div>Box 1</div> <div>Box 2</div> </body> </html> <!--Driver Code Ends--> - The boxes follow the normal flow of the document.
- There’s no overlap or displacement of elements.
2. Relative Positioning
Relative positioning places an element relative to its normal position. You can move it using top, left, right, or bottom.
HTML <!--Driver Code Starts--> <html> <head> <!--Driver Code Ends--> <style> div { border: 1px solid black; padding: 10px; margin: 10px; } .relative { position: relative; top: 20px; left: 30px; } </style> <!--Driver Code Starts--> </head> <body> <div>Box 1</div> <div class="relative">Box 2</div> </body> </html> <!--Driver Code Ends--> Box 2 is shifted 20px down and 30px to the right from its normal position.
3. Absolute Positioning
Absolute positioning removes the element from the document flow and places it relative to the nearest ancestor with a positioning context (relative, absolute, or fixed).
HTML <!--Driver Code Starts--> <html> <head> <!--Driver Code Ends--> <style> .container { position: relative; width: 300px; height: 200px; border: 2px solid black; margin: 20px auto; } .absolute { position: absolute; top: 50px; left: 50px; background-color: pink; padding: 10px; } </style> <!--Driver Code Starts--> </head> <body> <div class="container"> <p>Container with Relative Positioning</p> <div class="absolute">Absolutely Positioned Element</div> </div> </body> </html> <!--Driver Code Ends--> - The pink box (.absolute) is positioned 50px down and 50px right within the .container.
- It does not affect other elements in the flow.
4. Fixed Positioning
Fixed positioning removes the element from the flow and positions it relative to the viewport. It remains in place even when the page scrolls.
HTML <!--Driver Code Starts--> <html> <head> <!--Driver Code Ends--> <style> .fixed { position: fixed; top: 10px; right: 10px; background-color: lightgreen; padding: 20px; border: 2px solid black; } .content { height: 1200px; padding: 10px; } </style> <!--Driver Code Starts--> </head> <body> <h2>Fixed Positioning Example</h2> <div class="fixed">Fixed Box</div> <div class="content"> <p>Scroll down to see that the fixed box stays in place.</p> <p>This content simulates a long page.</p> </div> </body> </html> <!--Driver Code Ends--> The fixed element stays at the top-right corner of the viewport even as the user scrolls.
5. Sticky Positioning
Sticky positioning switches between relative and fixed based on the scroll position.
HTML <!--Driver Code Starts--> <html> <head> <!--Driver Code Ends--> <style> .sticky { position: sticky; top: 0; background-color: yellow; padding: 10px; } </style> <!--Driver Code Starts--> </head> <body> <div class="sticky">I am sticky</div> <p>Scroll down to see the effect.</p> <div style="height: 1000px;"></div> </body> </html> <!--Driver Code Ends--> The sticky element stays at the top of the viewport as you scroll but only within its containing element.
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