Monthly Archives: September 2009

CSS Box Model Concept

The box model is an important concept in CSS. It dictates how elements are laid out. The box model is shown below:

The innermost component is the content. Padding is applied outside the content area. Border is then applied outside of the padding area. Finally, margin is applied outside of the padding area. Margins specify the relationship between different elements.

The relevant CSS commands are margin, border, and padding. Each one will be descried in more detail below.

CSS Box Model
CSS Box Model
Understanding the CSS box model

Screen Reader

A Software that attempts to identify and interpret what is being displayed on the screen (or, more accurately, sent to standard output, whether a video monitor is present or not). This interpretation is then re-presented to the user with text-to-speech, sound icons, or a Braille output device. Screen readers are a form of assistive technology (AT) potentially useful to people who are blind, visually impaired, illiterate or learning disabled, often in combination with other AT, such as screen magnifiers.

One of the famous Software is Thunder