CSS style Sheets

CSS style Sheets

/* Comment Area */This is a comment area and will not be read

One, style sheet

1, restrained style sheet: directly write into the attribute, with style (style) attribute to specify the display style

Vertical Center line-height height is div height

Horizontal Center Text-align:center

div Horizontal Center: margin:0xp (above) auto

2, embedded style sheet: As a separate area embedded in the Web page, must be written in the head tag inside.

p/* a style sheet named after the tag name, all such tags will be executed/

3. External style sheet: Create a new CSS file to place the style sheet. If you want to call the style sheet in an HTML file, you need to right-click the CSS style sheet in the HTML file and attach the style sheet. The link connection method is generally used.

*/* format works on all labels/margin: margin padding: pitch

Second, selector

1, Tag Selector, with tag name do selector.

p/* a style sheet named after the tag name, all such tags will be executed/

2, class selector, all with "." Beginning.

3. ID (uniquely OK) selector, beginning with "#".

4. Match selector.

(1) Use "," to separate the side-by-side, and two tags to perform one of the styles.

(2) separated by a space, indicating descendants.

. Main p/* in the label of the Class=main, if there is a P tag exists to execute P tag/

(3) filter ".".

p.sp/* the CLASS=SP tag in the label P, execute sp/

A-tag, linked style

A:link hyperlink is pre-state

a:visited Hyperlink post-click Status

A:hover Hover over hyperlinks

A:active When you click the hyperlink

CSS style Sheets