CSS : Selector

CSS Selector
CSS allow to specify selector HTML element, "ID" and "Class"
- Selector HTML element is used to specify all of the HTML element (one write, all effected)
- Selector ID is used to specify a unique ID of the HTML element (one webpage, one id)
- Selector Class is used to specify group of the HTML element that select a specify Class (one write, use anywhere)


Example Selector ID

figure 1: CSS Implementation (Test Selector ID)

Example Selector Class

figure 2: CSS Implementation (Test Selector Class)

Group Selector

If an element has the same style, it can grouped selectors separate by ,

Example Group Selector

div, p { color: green; }

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Reference : http://www.w3schools.com/