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How to set rotate at the rotation center point in css3
- WBOYOriginal
- 2022-04-24 10:50:228919browse
In CSS3, you can use the "transform-origin" attribute to set the rotation center point of rotate. This attribute can change the position of the transformed element. The first parameter sets the rotation position of the x-axis, and the second parameter sets Y-axis rotation position, the syntax is "transform-origin:x-axis position y-axis position".
The operating environment of this tutorial: Windows 10 system, CSS3&&HTML5 version, Dell G3 computer.
How to set the rotation center point of rotate in css3
The rotate() function is a built-in function used to rotate elements based on a given angle as a parameter. Angle can be set in degrees, ticks, radians or turns.
Usage:
rotate( angle )
Parameters: This function accepts a single parameter angle representing the rotation angle. Positive and negative angles rotate the element clockwise and counterclockwise respectively.
The following example illustrates the rotate() function in CSS:
Example 1:
<!DOCTYPE html>
<html>
<head>
<title>CSS rotate() function</title>
<style>
body {
text-align:center;
}
h1 {
color:green;
}
.rotate_image {
transform:rotate(45deg);
}
</style>
</head>
<body>
<h1>GeeksforGeeks</h1>
<h2>CSS rotate() function</h2>
<br><br>
<img class="rotate_image" src=
"https://media.geeksforgeeks.org/wp-content/cdn-uploads/20190710102234/download3.png"
alt="GeeksforGeeks logo">
</body>
</html>Output:
The transform-Origin attribute allows you to change the position of the transformed element.
2D transform elements can change the X and Y axes of the element. Transform elements in 3D and also change the Z-axis of the element.
The syntax is:
transform-origin: x-axis y-axis z-axis;
x-axis defines where the view is placed on the X-axis.
y-axis defines where the view is placed on the Y-axis.
The example is as follows:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>123</title>
<style>
#div1
{
position: relative;
height: 200px;
width: 200px;
margin: 100px;
padding:10px;
border: 1px solid black;
}
#div2
{
padding:50px;
position: absolute;
border: 1px solid black;
background-color: red;
transform: rotate(45deg);
transform-origin:20% 40%;
-ms-transform: rotate(45deg); /* IE 9 */
-ms-transform-origin:20% 40%; /* IE 9 */
-webkit-transform: rotate(45deg); /* Safari and Chrome */
-webkit-transform-origin:20% 40%; /* Safari and Chrome */
}
</style>
</head>
<body>
<div id="div1">
<div id="div2">HELLO</div>
</div>
</body>
</html>Output result:
(Learning video sharing: css video tutorial)
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