"HTML5 and CSS3 Basic Course" Study notes--two Day

Seventh Chapter

1. Style sheet: selector and life block

2.!important: The importance of a statement is higher than the others, at the end of the add

3, attribute value: inherit; is forced inheritance

4, 1em=16px;

5, can accept the attributes without units: Line-height, Z-index, opacity

6, Background-color/color/border/box-shadow/text-shadow:rgba (89,0,127,.2); The last one is transparency.

7. Attribute: HSL (95,10%,28%) Hue, saturation, brightness

Eighth Chapter

1. Add media= "Print/screen/all" to <link/> and <style>

Nineth Chapter

1. Next level sub-element:> neighboring sibling elements: +

2, select the first letter of the element or the first line: Firsr-letter,: First-line "in CSS3, use:: Instead of:"

Tenth Chapter

1, font-weight:bold/(input 100-900 in multiples of 100, 400 for normal thickness, 700 bold)/normal

2. Background-attachment: Does the background picture scroll with the scroll bar

3. Text-aligh:justify to align text at both ends

"HTML5 and CSS3 Basic Course" Study notes--two Day