Viewport-related units VW, VH, VM,CSS/CSS3 length, time, frequency, angle units Daquan

One, CSS length value

em< /td>	relative to the parent element's font size
ex	height relative to lowercase "x"
gd	Generally used in East Asian typography, this is not related to English
rem	relative to the root element font size
VW	relative to the view Window width: Window width is 100vw
vh	relative to the window height: 100vh
vm	Relative To the width or height of the window, depending on which is smaller
ch	relative to 0 dimensions
px	relative to screen resolution instead of Windows Size: typically 1 dots or 1/72 inches
in	inch, table inch
cm	centimeter, Table cm
mm	millimeter, table mm
pt	1/72 inch
pc	12-point movable, or 1/12-point
%	relative to the parent element. Normally, you define itself or another element through a property

Second, time, frequency, angle

Deg	degrees, Angle
Grad	Grads, Hundred degrees
Rad	radians, radians
Turn	Turns, lap number
Ms	Milliseconds, number of milliseconds
S	seconds, number of seconds
Hz	Hertz, Hertz
KHz	kilohertz, khz

Viewport-related units VW, VH, VM,CSS/CSS3 length, time, frequency, angle units Daquan