CSS selectors What?
1.id selector (#id)
2. class selector (.class)
3. tag selector (div, h1, p)
4. adjacent selector (h1 + p)
The child selector (ul> li)
6. descendant selectors (li a)
7. Wildcard selector (*)
8. attribute selector (a [title])
9. The pseudo class selector (a: hover, li: nth-child)
Inheritable style
1.字体系列属性 font，font-family，font-weight，font-size，font-style，font-variant，font-stretch，font-size-adjust
2. Text series attribute text-indent, text-align, line-height, word-spacing, letter-spacing, text-transform, direction, color
3. element visibility visibility
4. The table layout attributes caption-side, border-collapse, border-spacing, empty-cells, table-layout
The attribute list layout list-style-type, list-style-image, list-style-position, list-style
6. generate content attribute quotes
7. cursor property cursor
8. Page Style property page, page-break-inside, windows, orphans
9.声音样式属性 speak，speak-punctuation，speak-numeral，speak-header，speech-rate，volume，voice-family，pitch，pitch-range，stress，richness，azimuth，elevation
How priority algorithm?
1. Under the priority principle of proximity, the same weight, whichever the case recently defined style;
2. Load last loaded positioning styles to prevail;
3.!important > id > class > tag；
4.important higher priority than the inline, but higher than inlining ID;