What is the unit of deg in css3?

In CSS3, deg is an angle unit, the full name is "Degress", which means "degree"; the angle range is from "0~360" degrees (deg), it can also be a negative number, if it is a negative number, it is inverse hour hand.

The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.

In CSS3, deg is an angle unit, the full name is "Degress", which means "degree".

A circle has a total of 360 degrees, so the angle range is from "0~360" degrees (deg). Of course, it can also be a negative number. If it is a negative number, it will be counterclockwise.

Conversion between angle values:

90deg = 100grad = 0.25turn ≈ 1.570796326794897rad

Example:

      
  
 
Hello World
 
  

Adding the following style to the div will cause the element to rotate 90 degrees clockwise

/* Rotate div */ transform: rotate(90deg); -ms-transform: rotate(90deg); /* Internet Explorer */ -moz-transform: rotate(90deg); /* Firefox */ -webkit-transform: rotate(90deg); /* Safari 和 Chrome */ -o-transform: rotate(90deg); /* Opera */

Adding the following style to the div will cause the element to rotate counterclockwise Rotate 90 degrees

/* Rotate div */ transform: rotate(-90deg); -ms-transform: rotate(-90deg); /* Internet Explorer */ -moz-transform: rotate(-90deg); /* Firefox */ -webkit-transform: rotate(-90deg); /* Safari 和 Chrome */ -o-transform: rotate(-90deg); /* Opera */

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