![]() CSS will always use the mathematical center as the transform-origin value by default This is especially true if the element is asymmetric: for example, a circle with a pointer, as shown in Figure 1.įigure 1: Mathematical center (left) vs. However, it’s important to note that the mathematical center of the element - as represented by the default value - may not necessarily be the visual center of an element. In CSS, the center of rotation for an element is defined by it’s transform-origin property, which has a default value of center center. In many use-cases, an element will rotate around its center point. To make that happen, we need JavaScript, combined with the lessons I’ve shown to this point regarding CSS rotation. Using CSS transforms, transitions and animation, we can rotate any element on the page, but CSS won’t allow us to do that dynamically, in response to user input.
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