Image Map Tool - On-line Image Map Creator - HTML & CSS. Image Map Tool - On-line Image Map Creator - HTML & CSS. Luminosity Colour Contrast Ratio Analyser. Colour Contrast The old Accessibility Evaluation and Repair Tools (AERT) suggested algorithm for determining colour contrast now directs here.
The AERT algorithm was never a recommendation, and WCAG 2.0's luminosity contrast algorithm is recommended instead. Success Criterion 1.4.3 of WCAG 2.0 requires the visual presentation of text and images of text has a contrast ratio of at least 4.5:1, except for the following: Large Text: Large-scale text and images of large-scale text have a contrast ratio of at least 3:1; Incidental: Text or images of text that are part of an inactive user interface component, that are pure decoration, that are not visible to anyone, or that are part of a picture that contains significant other visual content, have no contrast requirement. Logotypes: Text that is part of a logo or brand name has no minimum contrast requirement. Analyse Luminosity Contrast Ratio. CSS List Style Wizard. CSS List Style Wizard Welcome to the CSS List Style Wizard!
Use this wizard to experiment with list styles and generate sample CSS style source code. This wizard uses dynamic HTML to change the style of the table in-situ, without loading another page. List Style Notes You can use any list style property for either ordered or unordered lists. Use cascading to apply style properties to sub-levels of the list. For information on dynamically setting styles with Javascript and how the HTML toggle buttons work, please see HTML and CSS Table Border Style Wizard.
CSS Image Bullets As you may notice in the wizard, when using images as the bullet, the bullet does not line up to the text in an attractive way. As a work-around, you can properly align bullet images via the background image CSS property. You can see the style sheet and example below. More CSS Wizards Recommended Books Dynamic HTML: The Definitive Reference (2nd Edition) The Color Scheme Designer. Color schemes - Adobe Kuler. The Mystery Of CSS Sprites: Techniques, Tools And Tutorials. Advertisement CSS Sprites are not new.
In fact, they are a rather well-established technique and have managed to become common practice in Web development. Of course, CSS sprites are not always necessary, but in some situation they can bring significant advantages and improvements – particularly if you want to reduce your server load. And if you haven’t heard of CSS sprites before, now is probably a good time to learn what they are, how they work and what tools can help you create and use the technique in your projects.
What Are CSS Sprites? The term “sprite” (similar to “spirit,” “goblin,” or “elf”) has its origins in computer graphics, in which it described a graphic object blended with a 2-D or 3-D scene through graphics hardware. Sprites were displayed over a static or dynamic background image, and the positioning of the sprite was controlled simply by the hardware controllers. The Pokemon Sprite Sheet, consisting of over 1000 graphic objects.
Where Are CSS Sprites Used? CSS Zen Garden: The Beauty of CSS Design. So What is This About?
There is a continuing need to show the power of CSS. The Zen Garden aims to excite, inspire, and encourage participation. To begin, view some of the existing designs in the list. Clicking on any one will load the style sheet into this very page. The HTML remains the same, the only thing that has changed is the external CSS file. Online Web Tutorials. Color Hex Color Codes. Box Shadow CSS Generator.