How to use css to generate controllable dotted lines

Purpose:

Generate a dotted line as shown below

## Implementation method

Implementation method, some people use multiple spans to generate, a small dot is a span, this is OK, but the entire state change is more troublesome, is there any way to generate a controllable dotted line? Woolen cloth?

(Video tutorial recommendation:

css video tutorial)

Generate dashed

Generate horizontal line

Generating dashed dashed lines is generally achieved through linear-gradient background-size. The implementation code is as follows:

height, controls the height of the dashed line, linear-gradient and background-size control the spacing and Step size

Generate vertical lines

Vertical lines are exactly the opposite of horizontal lines, just invert them.

Recommended tutorial:

css quick start

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