#Resize background image css how to
#Resize background image css free

You can preserve the aspect ratio by specifying only width and setting height to auto using CSS property. When you specify both height and width, the image might lose its aspect ratio. img Preserving the aspect ratio while resizing images You can also specify the height and width in CSS.

#Resize background image css free

You can use Thumbor or a free image CDN like ImageKit.io to resize images dynamically using URL parameters. To overcome this, you should serve already resized images from the server. There are a couple of downsides of client-side image resizing, mainly poor image quality and slower image rendering. The exact algorithm used by the browser for scaling can vary and depends on the underlying hardware and OS. If the image element's required height and width don’t match the image's actual dimensions, then the browser downscales (or upscale) the image. We can render it with a height of 500 pixels and a width of 400 pixels Currently, it is not possible to resize the background image, however you can change the scaling and position.To change the image scaling and position: Add. CSS pixels.įor example, the original image is 640×960. These values specify the height and width of the image element. One of the simplest ways to resize an image in the HTML is using the height and width attributes on the img tag. If your image doesn’t fit the layout, you can resize it in the HTML. getElementById ( 'container' ) var button =document. Margin : 10px } Use backgroundSize to set the size of the background image Width (only integer ) (required ) : Heigth (only integer ) (optional ) : px em % cm Set background Image size var element =document.

#Resize background image css how to

You can try to run the following code to learn how to set the size of the background image −īackground -image : url (https : / //images /logo. Inherit − Inherits the parent property.Contain − Set the number of images as possible within a parent.Cover − Set the image such that the image can cover the whole element.Percentage − Set height and width in the percentage.The other will be set to auto if only one dimension is provided. Length − Can be used to set both height and width.auto − Displays the image to its original size (Default value).If we set like backgroundSize = '100px 200px', then the width of the background image will set to 100px and the height will set to 200px.Īll the users can follow the below syntax to use the backgroundSize property to set the size of the background image using JavaScript − Syntax = 'url(' ')' ĭ = 'auto || Length || Percentage || Cover || Contain || Initial || Inherit' If we set like backgroundSize = '100px', then the width of the background image will set to 100px and the height will adjust to auto. The background-size property of JavaScript sets the size of the background image. We can even apply an image to the background and change its size. Janu 8 minutes to read In this tutorial, we’ll go over the simplest technique for making a background image fully stretch out to cover the entire browser viewport. JavaScript DOM provides us with a way to design our page in run-time.

So, let us look at how to set the size of the background image.įollowing are the property by which we can set the size of the background image with JavaScript − Generally, we do this by using CSS, but JavaScript DOM also provides properties to do so. To enhance the feel, the image must fit in the right position with the right size. We can also change the background properties, like its size or color. We can set a background color or a background image to enhance the feel of the webpage. In this tutorial, we will look at the method to set the size of a background image with JavaScript.īackground effects on a webpage enhance its look.