CSS knowledge commonly used in web authoring

In the production of Web pages, we will use a lot of CSS knowledge, here I briefly summed up some.

DIV partitioning block

Ul,li unordered table (with partitioned chunks)

Ol,li ordered list

A hyperlink label

P paragraph Label

H Title Tag

IMG Inserts a picture into the Web page

Input box

Text-align:center Text Center

Text-decoration:none to underline

List-style:none Remove list prefixes

The Display:block becomes a block-level element, and then you can set the width-height ones.

Float:left the element to the left floats, you can make multiple block-level elements on one line

Clear:both clear float to prevent other bad changes caused by floating

Overflow:hidden triggers BFC to prevent child floats from affecting the parent

Position:relative relative positioning

Position:absolute Absolute Positioning

position:fixed fixed positioning

Border border, can be set wide, style and color, etc.

Outline:none to outline, usually to go button the outline of buttons

padding inner margin

margin outer margin

Background to set background properties

Vertical-align:bottom Text Horizontal Alignment

Display:hidden

TextArea Multi-line text box

Header Load Page Header

Nav Navigation Labels

Footer Page Footer

Font-size Font Size

Line-height Font Line Height

CSS knowledge commonly used in web authoring