What are the selector classifications in css
Editor to share with you what are the selector categories in css, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!
There are several types of css selectors:
1dyhtml element selector
Displayed as the name of the html element tag
Body {bgcolor:green;} p {color: red;}
2Magneid selector
The id selector can specify a specific style for HTML elements marked with a specific id.
The id selector is defined by "#". The id property value is always unique in the html topic
This paragraph is red.
This paragraph is green.
# red {color:red;} # green {color:green;}
3, class selector
Class selector, displayed as dot (.)
This paragraph will also be center-aligned.
.center {text-align: center;}
4, derived selector, (html,id,class attribute, all have derived selector)
Li strong {font-style: italic; font-weight: normal;} .center strong {font-style: italic; font-weight: normal;}
5, combination selector (controlling multiple elements at the same time)
The first day, the second day, the third day, the fourth day, the second day, the fourth day, the third day, the fourth day, the fourth day, the second day, the second day, the third day, the fourth day, the fourth day, the second day, the second day, the third day, the fourth day, the fourth day, the third day, the fourth day, the second day, the third day, the fourth day.
6, pseudo element selector
Baidu connection normal connection style a:link {color: red;} mouse style a:hover {color: blue;} Select connection style a:active {color: yellow;} style a:visited {color: green;} visited
7, priority of element selector
Id > class > html
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