Another way of resizing images is using the CSS width and height properties. To do this, we can use a fixed background-sizevalue of 150 pixels. 1. Let's consider a large image, a 2982x2808 Firefox logo image. Using CSS, you can set the background-size property for the image to fit the screen (viewport).. Paste the Selector you copied.. 4. If I can say just one cautionary thing about this technique, it’s this: Please use it with care because large files can severely affect UX, especially when our user is not on a fast or reliable Internet connection. .hero::before { background-image: url(/img/background-1932466_1920-320x212.jpg); background-size: cover; content: ""; display: block; position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: -2; opacity: 0.4; } At this point we have a full screen, semi-transparent background image using nothing but HTML and CSS. Then use the following background properties to center and scale the image perfectly: Note: To make sure that the image covers the whole screen, you must also apply height: 100% to both and : From the Customize menu, go to Additional CSS. For a 114KB payload, I would normally only subject users to it if the file had the potential to add a significant improvement in UX, because of the huge mobile web performance trade-off. Are you really going to let them download that potentially massive .jpeg onto their phones, costing them actual money? To keep things pretty, we will keep our image always centered: background-position: center center; This will center the image both horizontally and vertically at all times. A simple way to create a responsive full-screen background image is to set a background image that covers the entire window. Doing this reduced the file size down from 1741KB to 114KB. When an image is scaled up above its natural dimensions, image quality is affected. }. The background-size property has a value of cover.It instructs browsers to automatically scale the width and height of a responsive background image to be the same or bigger than the viewport.. For small screens, I used Photoshop to proportionally resize the original background image down to 768x505px and I also ran it through Smush.it to cut out a few more bytes. Think of simplifying the imagery used. Your email address will not be published. Full Background image con CSS e quindi Responsive . Add These Extra Lines of Code. President of WebFX. Here’s the media query: In addition, because some small devices can render more pixels — for example, iPhone 5 with its retina display can render 1136x640px — the smaller background image will be pixelated. 3. (In our case, that’s body element.). You can get the most current source code of this tutorial from GitHub. How to find the best SEO company for your business, Direct to Consumer (D2C) Social Media Advertising Services, Advantages & Disdavantages of Social Media, Understanding the Elements of Responsive Web Design, 8 Ways to Add a Responsive Navigation Menu on Your Site, A Comparison of Methods for Building Mobile-Optimized Websites. There’s an issue with this property/value pair though: If the background image is smaller than the body element’s dimensions — which will happen on high-resolution screens and/or when you’ve got a ton of content on the page — the browser will programmatically scale up the image. Per questo vi consiglio di usare questa tecnica sempre con i CSS per poter avere una immagine in background in full screen, ovvero a tutto schermo. However, the image will keep its aspect ratio (the proportional relationship between the image's width and height): We have now produced a fully responsive image that will always cover the entire background: html { min-height: 100%; background-image: url(image.jpg); background-size: cover; background-repeat: no-repeat; background-position: center center; } How to Fix an Image … /* The file size of this background image is 93% smaller 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. However, this technique will also work on any block-level element (such as a div or a form). 1. Required fields are marked *. They are quick with their replies and incredibly helpful. background-repeat: no-repeat; /* Background image is fixed in the viewport so that it doesn’t move when We also participate in affiliate programs with Bluehost, ShareASale, Clickbank, and other sites. CSS Tutorial » CSS background image size to fit screen How To Create a Full Height and Width Image Many web developers want to cover their background with an image, so, that it is embedded on the entire surface of the background. Today, we are super excited to create a responsive fullscreen overlay with blur background by using CSS. ⓘ I have included a zip file with all the source code at the start of this tutorial, so you don’t have to copy-paste everything… Or if you just want to dive straight in. This property/value pair tells the browser to scale the background image proportionally so that its width and height are equal to, or greater than, the width/height of the element. Firstly, here is the download link to the example code as promised. In the demo, I included a “load some content” feature so that you can see the scrolling behavior when background-attachment is fixed. That’s a 93% reduction in file size. Welcome to a tutorial on how to create a responsive full-screen background image with HTML and CSS. Join our mission to provide industry-leading digital marketing services to businesses around the globe - all while building your personal knowledge and growing as an individual. The demo uses a huge 5500x3600px photo for larger screens so it’ll be a while before we run into trouble. So that the background image is always centered in the viewport, we declare: The above sets the scaling axis at the center of the viewport. And also, the image dimension is excessive on small-screen devices (more on this further down in this tutorial). We’ll use the CSS background-size property to make it happen; no JavaScript needed. How To Create Responsive Full-Screen Background Image, Click here to download all the example source code, list of websites to get help with programming, How to Create a Responsive Full Background Image Using CSS. When this happens, a scroll bar will appear. In the second approach, we keep the center of the image at the center like it is done in the first approach, but this time, the image is not stretched and distorted to fully fit the browser window. background-attachment and background-position) to see how it affects the behaviors of page-scrolling and the background image. Need to add a background image that will look nice on both big and small screens? Resize images with the CSS width and height properties ¶. Keep that in mind as you choose which image you’re going to use. Let’s have a look example of the code below..main-wrapper{ background:url(images/bg.jpg) no-repeat; … 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. The Big Book of Widgets is a collection of many HTML CSS JS widgets. (Hint: It’s probably not.) Here’s a quick look at the page we’re going to build (the full screen version might give you a better idea): on the container’s size */ Set the position of the background image. A simple way to create a responsive full-screen background image is to set a background image that covers the entire window. Example of making a background image responsive using the background … The technique will work without this. Our page will include a full-screen background image, vertically centered content, and a sticky footer. to improve page load speed on mobile internet connections */ 2. WebFX has been a pleasure to work with on our SEO needs and I look forward to working with them on future projects. Absolutely responsive backg… We want (for some reason likely involving horrifyingly bad site design) to tile four copies of this image into a 300x300-pixel element. Next, add these lines of code after the selector you just pasted. Below we have added the CSS code to the bodytag for setting a full screen background image. Code Boxx participates in the eBay Partner Network, an affiliate program designed for sites to earn commission fees by linking to ebay.com. All you have to do is change the url value to point to the location of your background image, and you’re good to go. This full page background image effect can be easily added to a webpage using CSS. Please don’t get me wrong, 114KB is still quite big for a purely aesthetic component of a design. You just need to define background image with no-repeat and then define background-size value cover. Set the width property to a percentage value and the height to "auto". In this code example, we make the CSS background image size … There are several frameworks used by developers to make a webpage responsive. You can use, sell, modify, and distribute the source code, all without asking permission, providing attribution, or any other requirement. 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. Large, photographic background images tend to be a much larger file size. The CSS background-size property can have the value of cover. If the width and height of your block-level container is fluid, then the background image will always scale to cover the container entirely. Get code examples like "css background image full screen responsive" instantly right from your google search results with the Grepper Chrome Extension. The image is going to be responsive (it will scale up and down). Media queries 2. That’s all for the tutorial, and here is a small section on some extras and links that may be useful to you. But why is serving a smaller background image for mobile devices a good idea? Be the first to know when we publish a new blog post! Let’s move on. Recommandé pour vous en fonction de ce qui est populaire • Avis Ask yourself if the stock photography background is really worth another 150+kb of page load. Include the Font Awesome 4 for the navigation icons. while the background image is loading */ Good luck and happy coding! Your email address will not be published. Certains sites affichent une (grande) image de fond qui s'adapte à toutes les dimensions de la fenêtre du navigateur, proportionnellement, sans la déformer.La réalisation de ce genre de prouesse n'est pas si évidente techniquement, contrairement à ce que l'on pourrait croire de prime abord. In this tutorial, we’ll go over the simplest technique for making a background image fully stretch out to cover the entire browser viewport. Tip: Use 50% to create a half page background image. What we want to do is make sure that the background image stays put even when the user scrolls down, or else we’ll either run out of image at the bottom, or the background will move as the user is scrolling down (which can be very distracting). The equivalent shorthand CSS notation for the above is: A responsive Full page background image scales itself according to the user’s viewport. }. And, as we all know, when we scale up an image from its natural dimensions, the image quality degrades (in other words, pixelation occurs). Photographs tend to be distracting. The downside of using the media query above is that if you resize your browser window from, for example, 1200px width down to 640px width (or vice versa), you will momentarily see a flicker while the smaller or bigger background image loads up. The whole process was very easy! How this works: The above simple responsive background works, but it has a potential problem – If the page grows too long, the background image will stretch into bad proportions. 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. } The full screen background image is generally placed as background property of html or body tag. Consider if the stock photograph of a laptop in a coffee shop is really adding to the message. Patterns can be used to create a unique look with smaller file sizes. With background-size property, it’s so easy to make a responsive image. Having a large photo that covers the entire background of a web page is currently quite popular. 14-05-2013 07-06-2020 da miniMAC Aggiornato il 07-06-2020. max-width: 100%;and areheight: auto; applied to the image so that it scales with the parent element. background-position: center center; /* Background image doesn’t tile */ background-color: #464646; I wrote the background properties in full notation to make the CSS easier to describe. This final step is actually optional, and only for those of you who are looking … WebFX did everything they said they would do and did it on time! In this tutorial, we will use simple HTML and CSS properties to make a full screen background image. This is also the reason why you should set a good default background color so the user can read the content while the background image is loading. There are several websites that use this effect such as-. Here is our CSS for a full-screen responsive background image that uses the css cover property. The image I’ve used in the demo is about 5500x3600px. When the background-size property is set to "contain", the background image will scale, and try to fit the content area. }. Setting background-size to fit screen. The Bootstrap background image property sets one or more background images for an element. Create a responsive full-page background image window using Bootstrap 4. background-size: cover; /* Set a background color that will be displayed To fix that problem, we have to create a fixed background layer in the background (puns intended). The most essential property/value pair to pay attention to is: That’s where the magic happens.

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