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V-4.01 Response Web
V-4.02 Responsive Web Design
Term | Definition |
---|---|
<div> tag | a division or section in an HTML document. is used to group block-elements to format them with CSS, can be nested; meaning a tag contained within a tag |
<table> tags | should not be used for layout; tables are intended for presenting tabular data |
<header> tag | should not be used for layout; tables are intended for presenting tabular data |
<header> element | should be used as a container for introductory content |
<footer> tag | defines a footer for a document or section |
<footer> | typically contains the author of the document, copyright information, links to terms of use, contact information, etc. |
<nav> tag | defines a set of navigation links; only intended for a major block of navigation links |
device pixel | the smallest element on a screen; also known as physical pixel |
screen density or pixel density | the number of device pixels on a physical surface. it is often measured in pixels per inch |
resolution | a simple count of the number of pixels across the entire width and height of a device |
viewport | the rectangular area that is viewable on a device screen |
mobile accessibility | making websites and applications more accessible to people with disabilities when they are using mobile devices |
reference pixel | a new pixel that should look exactly the same in all viwing situations |
responsive web design | RWD takes existing techniques involving flexible grid layout, flexible images, and media and media queries creating a unified approach to web design |
fixed-width layout | has a wrapper that is fixed width, and the components inside it have either percentage widths or fixed widths |
fluid or liquid layouts | define dimensions in percentages rather than pixels |
absolute units | include pixels recommended for screens, occasional print, points recommended for print, not for screens |
relative units | include em recommended for screen or print |
% | recommended for screen or print |
em | a unit of measurement in the field of typography, equal to the currently specified point size, equal to the default size of 16px |
bitmap pixel | the smallest unit of data in a raster image |
css pixel | a unit of measurement for web pages |