Proficient in CSS and HTML design patterns chapter 2 (alignment content)

I. Text indent

You can use a positive value of text-indent to indent the first line of text.

Text-indent: value

It is applicable only to block elements of terminals and not to structured block elements and restrained elements. By default, the text-indent quilt element is inherited. This means that you can assign a text-indent value to a structured block element. All the sub-terminal block elements will inherit the value you grant to text-indent.

Ii. Suspension indent

Only assign a negative value based on text-indent, and then set a padding-left. At this time, the first line is indented to the left Based on the padding-left to the negative distance of text-indent.

3. horizontally aligned content

Text-align: align the text in the block element of the Terminal

Left, center, right, and justify)

Applicable to terminal block elements, not inline elements. Because the inline element has no width and is wrapped in the content, it cannot be centered.

Iv. Vertical Alignment content

See: http://www.cnblogs.com/chongzi/archive/2010/12/01/1893279.html

V. vertical offset

After reading the fourth point, we all know the baseline position,

Vertical-align: 1em offset one font height above the baseline position

Vertical-align:-0.75 offset down 0.75 font heights at the baseline position

Cosine (x) = Σ n = 0 ∞ anx (n-12)