What does top in CSS mean?

The top CSS property participates in specifying the vertical position of a positioned element. It has no effect on non-positioned elements.

What is top value in CSS?

Definition and Usage. The top property affects the vertical position of a positioned element. This property has no effect on non-positioned elements. If position: absolute; or position: fixed; – the top property sets the top edge of an element to a unit above/below the top edge of its nearest positioned ancestor.

What is default top in CSS?

Defines the position of the element according to its top edge. default top: auto; The element will remain in its natural position.

What is top margin?

The margin-top CSS property sets the margin area on the top of an element. A positive value places it farther from its neighbors, while a negative value places it closer.

What is the difference between top and margin top?

top is for tweak an element with use of position property. margin-top is for measuring the external distance to the element, in relation to the previous one. Also, top behavior can differ depending on the type of position, absolute , relative or fixed .

What does right 0 mean?

Setting top: 0; left: 0; bottom: 0; right: 0; gives the browser a new bounding box for the block. At this point the block will fill all available space in its offset parent, which is the body or position: relative; container.

What is the difference between top and margin-top?

Which is better EM or REM?

While em is relative to the font-size of its direct or nearest parent, rem is only relative to the html (root) font-size. em gives the ability to control an area of a design. As in, scale the type in that specific area relatively. rem gives the ability to scale type across the entire page easily.

What is the default position in CSS?

Static. This is the default value for elements.

Relative. Elements with position: relative remain in the normal flow of the document.

Absolute. Elements with position: absolute are positioned relative to their parent elements.

Fixed. Fixed position elements are similar to absolutely positioned elements.

Sticky.

What is an absolute position in CSS?

absolute positioning definition. Absolute positioning is one way that an element can be positioned with CSS. If an element is positioned absolutely, the box of an element is taken out completely from the document’s flow; it is placed in relation to its containing block.

What is basic CSS?

CSS is the acronym for: ‘Cascading Style Sheets’. CSS is an extension to basic HTML that allows you to style your web pages. An example of a style change would be to make words bold.

How do you float in CSS?

Jump to: The float CSS property specifies that an element should be placed along the left or right side of its container, allowing text and inline elements to wrap around it. The element is removed from the normal flow of the web page, though still remaining a part of the flow (in contrast to absolute positioning).