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Archives by Tag 'coordinates'
Sample of importing
<style> @import url(http://pathname/stylesheet.css); </style> Note: All @import statements must occur at the start of a style sheet. Any rules specified in a style sheet will override conflicting rules in an imported style sheet. In the event of conflicting rules in two or more imported @import statements, any conflicting rule in last @import statement listing the [...]
Absolute positioning
Absolute positioning takes its position from the top-lefthand corner of the browser pane with the x and y coordinates at (0,0). This positioning gives the designer tremendous control over the elements so positioned. The code for an absolutely positioned element can be placed anywhere in the code and still the element will display at the [...]
Defining concepts
Absolute positioning defines the x and y coordinates of an element with reference to the top-left corner of the browser page or the containing block, and the position attribute is set to absolute. The code will read somewhat like this: <style type= “text/css”> <!-– p {position: absolute; left 50pt; top: 30pt} –> </style> Note that [...]
Comparing concepts
Most users are confused between absolute and relative positioning concepts in CSS. This is on account of the coordinate system within which the block is placed. The block then depends on the positioning context, and there is no universal set of coordinates to guide the designer. Whenever a new block is placed on the page, [...]
Combining concepts
Absolute positioning is relative! In reality, an absolutely positioned element is relative to its containing block. The containing block is the nearest-positioned ancestor or the document’s initial containing block. It is a structurally superior element whose property is absolute or fixed or relative. The following example shows how an absolutely positioned element can be relative [...]
Types of positioning
While this default “flow” does not give the designer much scope for manipulating layouts, CSS allows the designer to apply a small set of attributes to the elements of the page and control their position by defining coordinates within which they will appear. CSS 1 provided the user with the ability to specify: The width [...]
Static positioning
Static positioning is the default positioning of elements on the page. It sources the element as in the HTML and places them linearly one after another. The elements cannot be repositioned and do not have defined coordinates for the element’s position. However, the <body> element is positioned and provides the coordinates for the child elements [...]
Relative positioning
Relative positioning is similar to static positioning in that the elements are part of the flow. However, they differ from static positioning in that they can be moved around relative to the position they would normally occupy. For instance, if an object would normally appear at top =10 and left =10 and the object ‘s [...]
The concept
Layout managers were created to simplify interface design and free the designer from the drudgery of calculating the coordinates for each element on the page and worrying about properties, attributes, and display problems relating to any specific elements. While the concept is laudable and helpful, it was not the ultimate panacea for the web designer’s [...]
Using layers to position elements
Coordinates and positioning are two important attributes of the layer that have to be considered the moment the web designers works on their compositions. The x/y coordinate system begins with the top-right corner of the page. Layers can be stacked or overlapped in the order supplied by the third coordinate called the z-index, which is [...]