How to understand the meaning of each parameter in the rect attribute of a CSS clip element

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Clip attribute clipping absolute positioning element

What happens when an image is larger than the element that contains it? the "clip" attribute allows you to specify the visible size of an element so that the element is trimmed and displayed as this shape.

Description:

This property is used to define a clipping rectangle. For an absolutely defined element, the contents within the rectangle are visible. The contents of this clipping area will be processed according to the value of overflow. The clipping area may be larger or smaller than the content area of the element.

The code is as follows:

Rect (30px 200px 200px 20px)

The meaning of the expression is:

The upper edge of the final clipped rectangle is 30 pixels away from the upper edge of the original element.

The right edge of the clipped rectangle is 200 pixels away from the left edge of the original element.

The bottom edge of the clipping rectangle is 200 pixels away from the top of the original element.

The left edge of the clipped rectangle is 20 pixels from the left edge of the original element.

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