#Responsive image resize how to#
#Responsive image resize full#

However, this technique will also work on any block-level element (such as a div or a form). We’re going to assign the background image to the body element so that the image will always cover the entire viewport of the browser.

#Responsive image resize how to#

Find out why in our FREE guide: How to Integrate SEO and Web Design. SEO and web design are like peanut butter and jelly. That huge of a payload just for a background photo is never a good thing under any sort of situation, but it’s exceptionally bad on mobile internet connections.Īnd also, the image dimension is excessive on small-screen devices (more on this further down in this tutorial).

This dimension will have us covered on most widescreen computer monitors currently being sold in the market, but at the expense of serving up a 1.7MB file. This is optional.īut why is serving a smaller background image for mobile devices a good idea? The image I’ve used in the demo is about 5500x3600px. To enhance the page load speed on small screens, we’ll use a media query to serve a scaled-down version of the background image file. Use a media query to serve a smaller background image for mobile devices The cover value tells the browser to automatically and proportionally scale the background image’s width and height so that they are always equal to, or greater than, the viewport’s width/height. The CSS background-size property can have the value of cover. Use background-size property to cover the entire viewport Core concepts for creating responsive background images with CSS

#Responsive image resize full#

Here are a few websites that have responsive full background images: Sailing Collective Digital Telepathy Marianne Restaurant If you’d like to achieve a similar look in your next web design project, you’re at the right spot. Having a large photo that covers the entire background of a web page is currently quite popular. View Demo Download Source from GitHub Examples of responsive full background images We’ll use the CSS background-size property to make it happen no JavaScript needed. In this tutorial, we’ll go over the simplest technique for making a background image fully stretch out to cover the entire browser viewport.