CSS Object Fit

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object-fitis a property that allows you to control how an image or video content is resized and fitted within its container.

It provides a flexible way to adjust the aspect ratio and cropping behavior of media elements, ensuring they display correctly and maintain their proportions.

In this chapter, we'll explore the essentials of CSS object-fit to help you understand its usage and benefits.

Understanding CSS Object Fit

object-fit property specifies how an element should fit its content box into the available space within its container.

It allows you to control aspects such as scaling, cropping, and alignment of images or videos while maintaining their aspect ratio.

Available Values of Object Fit

The object-fit property accepts several values that determine how the content should be fitted within its container:

  • fill The content is stretched to fill the container's dimensions, potentially distorting its aspect ratio.
  • contain The content is scaled uniformly to fit inside the container while preserving its aspect ratio. It may result in empty space within the container.
  • cover The content is scaled uniformly to cover the entire container while preserving its aspect ratio. It may result in the content being cropped.
  • none The content retains its original size, potentially overflowing or being clipped if it exceeds the container's dimensions.
  • scale-down The content is scaled down uniformly to fit inside the container if it is larger than the available space. Otherwise, it behaves like contain

Using Object Fit for Images

Object fit is commonly used with images to control how they are displayed within their containers. By applying object-fit to an image element, you can specify how it should be resized and fitted.

Example: 


img {
  width :300px;
  height :200px;
  object-fit :cover;/* Fit the image to cover the container, cropping if necessary */
}

Using Object Fit for video

Object fit can also be applied to video elements to control their display behavior. This is particularly useful when embedding videos within a responsive layout.

Example: 


img {
  width :100%;
  height :100%;
  object-fit :fill;/* Stretch the video to fill the container, potentially distorting its aspect ratio */
}

Compatibility and Browser Support

object-fit property is well-supported in modern browsers, including Chrome, Firefox, Safari, and Edge. However, it's essential to test your styles across different browsers to ensure consistent rendering.

The CSS object-fit is a valuable property for controlling how images and videos are displayed within their containers.

By understanding its usage and available values, you can create visually appealing and responsive layouts that maintain the integrity of your media content. Experiment with different object-fit values to achieve the desired display behavior and improve your CSS proficiency.

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