But, it is loaded twice. Pretty sure this will never been seen all the way down here. Modify those … The image is a background image, so it shows with proper positioning and spacing. What are the legal boundaries of a parent's right to direct their children's education in terms of a private school or homeschooling curriculum? 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.. As usual around here, I … Perhaps I'm missing something, but if you're going to put an. Found inside... width:auto !important; height:auto !important; background-color: white !important; background-image: none !important; ... fix the blog font size */ .ms-PostBody { font-size: 100%; } With all these styles added to your custom CSS, ... When you want to have an image span the full width of the page and have content on top of that image be readable in multiple widths, use a background image. It’s 2017, and now you can use object-fit which has decent support. Tim S. was much closer to a “correct” answer then the currently accepted one. Found inside – Page 316... body { font: 100% Verdana, Arial, Helvetica, sans-serif; background-image:url(images/background_page.gif); margin: 0; ... width: 100%; height: 255px; text-align: center; background-image: url(images/background_top.gif); min-width: ... i guess I am gonna hack up some javascript as you say worst case scenario but it's probably not worth it. From that point, any other requests are based on a local copy. How can I transition height: 0; to height: auto; using CSS? May be this can help, it's not exactly a background, but you get the simple idea. Loading of the Processing plugin is too slow (hangs when restoring loaded plugins). [closed], POST request with a simple string in body with Alamofire, © 2014 - All Rights Reserved - Powered by, 100% width background image with an 'auto' height. Can I have multiple background images using CSS? There are four different syntaxes you can use with this property: the keyword syntax ("auto", "cover" and "contain"), the one-value syntax (sets the width of the image (height becomes "auto"), the two-value syntax (first value: width of the image, second value: height), and the multiple background syntax (separated with comma). Keep in mind that manually setting values also changes the aspect ratio. You could then just use an actual image in the content div if you're going to just absolute-position everything over it. There are 4 available values: 25%, 50%, 75% and 100%. Thanks in advance for your time, it’s much appreciated. the second is the vertical size. I setup a separate function to do the resize adjustments. Please consider copying in the relevant code from the other answer (with attribution)i so that this one is more complete, and incase of link rot. Depending on the width of the screen the height of the image will obviously adjust accordingly. Found inside – Page 224The preceding Sass snippet will compile to this: .hero { width: 100%; height: 510px; background-image: url(". ... background-size: 100% auto; } } Here's a demo I created for this in CodePen: http://codepen.io/ricardozea/pen/ ... Posted by: admin I originally did this with an img (with a CSS width of 100%) and it worked great but I’ve realised that I’d like to use media queries to serve different images based on different resolutions – let’s say a small, medium and a large version of the same image, for example. Demo background image; loader. This should be the correct answer. Cabinet take direct orders from the President? With no height value provided for the HTML element, setting the height and/or min-height of the body element to 100% results in no height (before you add content). Count number of pairs across elements in a list in R? I can obviously use ‘width: 100%’ but what do I use for the height?

Resize the browser window to see how the image will scale.

. Found inside – Page 214Set width to 100% of the available area and height to 50% of the image height */ background-size: 100% 50%; /* Set ... and the height to auto */ background-size: 50%; - Note The first setting in the previous COde will distort the image. Setting background-size to fit screen. Found inside – Page 156Then we'll add a new rule set that targets our promo image: .promo img { width: auto; height: auto; } ... .media img { float: left; margin-right: 4.6875%; max-width: 241px; width: 100%; height: auto; border: solid 9px #ede0d5; box-shadow: ... Found inside – Page 155To set different sizes for each image, use the background-size property. When multiple images have been used, the syntax works like this: .bg { background-size: 100% 50%, 300px 400px, auto; } The size values (first width, then height) ... After you have created your image slider HTML structure, the next step is to use CSS styles for having your slider’s interface. Omitting the height defaults it to auto. Next calculate your aspect ratio for your image by dividing the height of your image by the width. Making statements based on opinion; back them up with references or personal experience. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. CSS: stretching background image to 100% width and height of screen? Please note that this is a CSS3 property. To resize an image proportionally, set either the height or width to "100%", but not both. This answer is similar to others, but is overall the best for most applications. What is the minimum altitude needed to return to the takeoff airport in a 737 after dual engine failure? By default, even html and body are only as big as the content they hold, but never more than the width/height of the windows. In this code example, we make the CSS background image size … Includes support for 25%, 50%, 75%, 100%, and auto by default. The following table shows a list of every style prop and the properties within each group. The trick is to use height: auto; to … By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. You're setting the height to be a proportion of the window width. Is there a way to give a cover to auto-scale image with CSS only? Please excuse the inline styles but I wanted to give a basic example to try and make my question a little clearer. CSS for changing color of last word in h1. background:url('your-background-image-adress') center center no-repeat; background-size: 100%; background-position: top center; margin-top: 50px; width: 100%; min-height: 36vw; code pen example https://codepen.io/viniciusrad/pen/GRNPXoL and you want add a background to it, but you do not know the dimension of the image. It works in the same way as a div’s background-size but on the element itself, and on any element including images. -1 for use of !important - and linking out to another answer. You can change the size of your image by using percentages. Once the image has downloaded, it is presumably cached. How do the two sorts of "new" in Colossians 3:10 relate to each other? background: url(100px-wide-no-height-or-ratio.svg); background-size: auto 125px; If you can make an image on Photoshop where the main layer has an opacity of 1 or so and is basically transparent, put that img in the div and then make the real picture the background image. You can use any CSS size units you like, including pixels, percentages, ems, viewport units, etc. Force div to have the size of background image, Flexslider with background image responsive, Set size of the div to its background image. This solution typically leaves an extra pixel at the bottom due to imperfect calculations using the aspect ratio so we add a -1 to the resulting size. How can I move around a circle and count the number of points inside it? Making an image tag responsive is quite trivial. Below you have your div that you want the background to appear on ("hero") and then the inner content/text you want to overlay on top of your background image ("inner"). How to make a div 100% height of the browser window. Hopefully soon you’ll be able to use the new srcset attribute on the img element. Found inside – Page 71images/slide1a.jpg) 50% 0 no- repeat fixed; } We should also give our sections a height and width, so that the background images are visible: .story { height: 1000px; padding: 0; margin: 0; width: 100%; max-width: 1920px; ... javascript – window.addEventListener causes browser slowdowns – Firefox only. If you want to have a 100% width, variable height background image done with CSS, instead of using cover (which will allow the image to extend out from the sides) or contain (which does not allow the image to extend out at all), just set the CSS like so: body { background-image: url (img.jpg); background-position: center top; background-size: 100% auto; } Add CSS ¶. To do this, you set the height to 0 and set the padding-bottom to a percentage of the element’s own width, like so: In order to use different aspect ratios, divide the height of the original image by it’s own width, and multiply by 100 to get the percentage value. Thanks for contributing an answer to Stack Overflow! Edit: Changing the image on different size of the window. I had a play and found that once there is a height (tested with 150px) I can use ‘background-size: 100%’ to fit the image in the div correctly. If you only provide one value (e.g. Thanks - but I need it as background so the image trick won't do it. its more of responsive layout.. He could just run the JavaScript when the document is ready then. The max-height property sets the maximum height of an element, and the max-width property sets the maximum width of an element. Found inside – Page 383To set different sizes for each image, use the background-size property. When multiple images have been used, the syntax works like this: .bg { background-size: 100% 50%, 300px 400px, auto; } The size values (first width, then height) ... Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide. We can render it with a height of 500 pixels and a width of 400 pixels. You just got a background image with auto height which will work just like an img element. Which "very esoteric processor instructions" are used by OS/2? Found insideIf you prefer to base the size on the height of the image, use two values with the first (or width) being auto ... backgroundsize: 100px, auto; As with all background properties, use commas to separate values for each image declared. There is no way to auto adjust for background image size using CSS. Found inside – Page 3-33/images/basin bg_phone.jpg); background-size: contain; width: 100%; } #header hl ( font-size: 36px; margin-bottom: 0px; ... max-width: 290px; margin: 0.5em auto; display: block; } /* Main navigation */ #nav ( width: 308px; height: 95px; ... This will allow you to rezise your screen based on your monitor size. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This is my CSS: For some reason, when I do this, the width of myImage stretches across the entire screen but the height only stretches until the height of everything else on the page. It is not downloaded twice. This can often lead to quite strange results. lol why require server side? The simple solution is to include information about an image’s height and width in the markup. I’m currently working on a mobile landing page for a company. What's the percentage of strange matter inside a star at any time? Is centripetal acceleration almost perpendicular to velocity or it is exactly perpendicular to velocity? Dealing with disagreeable students and not compromising. Found insideYou also use an image map to link the parts of a soccer field to explanations of their functions. a. ... the img element at the end of the reset styles section, then add the declarations max-width: 100%;, height: auto;, width: auto;, ... To resize backgrounds, specify the width first and then the height. ‘left: 50%’ is a very important element when using absolute position. Found inside – Page 55CSS Code to Blur the Transition of Background Images div#wrapper { width: 600px; margin: 5em auto; padding: 3em; ... CSS Code to Enforce Opacity of Background Images Across a Page html, body { min-height: 100%; margin: 0; } html, ... If you use the carousel code snippetfrom the Bootstrap 4 documentation you will notice the carousel anchor links do not wrap the entire Adding to the original accepted answer just add style width:100%; to the inner image so it will auto-shrink/expand for mobile devices and wont end up taking large top or bottom margins in mobile view. I’ve added a rough example below. Found inside – Page 126The output of this code will be as follows: If we want to set the full width of the container for an image and automatically count its height to maintain the aspect ratio of image, perform the following: background-size: 100% auto We ... For example, the original image is 640×960. A background image changes the amount of the image visible depending on how wide the viewport is and how much height is required in the parent element. By default, even html and body are only as big as the content they hold, but never more than the width/height of the windows. Found inside – Page 59... background positioning area. background-size (1-2) : auto | | | cover | contain With two values, the first value determines the width of the image and the second value its height. background-size: 150% 100%; A ... You can give it a width of 100% and a height of auto and call it a day. If you know the ratio of the image at build time, want the height based off of the window height and you're ok targeting modern browsers (IE9+), then you can use viewport units for this: Not quite what the OP was asking, but probably a good fit for a lot of those viewing this question, so wanted to give another option here. If it is a single predetermined background image and you want the div to to be responsive without distorting the aspect ratio of the background image you can first calculate the aspect ratio of the image and then create a div which preserves it's aspect ratio by doing the following: Say you want an aspect ratio of 4/1 and the width of the div is 32%: This results from the fact that padding is calculated based on the width of the containing element. Found inside – Page 324... images */ img { width: 100%; max-width: 100%; height: auto; } /* nav bar */ nav { width: 100%; margin: auto; } nav ul { list-style: none; overflow: hidden; background: #000; } nav li a { display: block; float: left; width: 14.28%; ... but in most cases , we avoid using float as it will affect a quite of number of things when you are doing cross-browser testing. It is possible to make the to automatically adjust to the background size without setting a specific height or min-height. /* Keyword values */ background-size: cover; background-size: contain; /* One-value syntax */ /* the width of the image (height becomes 'auto') */ background-size: 50%; background-size: 3.2em; background-size: 12px; background-size: auto; /* Two-value syntax */ /* first value: width of the image, second value: height */ background-size: 50% auto; background-size: 3em 25%; background-size: auto 6px; background-size: auto auto; /* Multiple backgrounds */ background-size: auto, auto… Now you can scale the image this method works for showing a background width attributes on the chair ” show! You need to do with your answer ”, you can use the more recent CSS3 for this of. / input tags % ’ is a background image with auto height which work... Wanted to give a cover to auto-scale image with CSS only including pixels,,. Gradient to the images, backgrounds, etc image is a utility which allows you to your. Countries suffer a complete brain-drain website in this code example, we make the background-image of the simplest background image width: 100%; height auto... Function used to fill the height or width to `` 100 % height auto! Alter the style of a width of 100 % ’ but what do I combine a background-image and CSS3 on. Back-End by default '' conjugated differently height is set to auto you to adjust height are scaled centered... The main div why are `` acheter '' and `` jeter '' conjugated differently maximize visible. N'T poorer countries suffer a complete brain-drain CSS: stretching background image make my question a little clearer javascript... Find centralized, trusted content and collaborate around the technologies e.g now you create! Use a div with a background image in CSS using reactjs style question a little clearer by OS/2 we... To subscribe to this RSS feed, copy and paste this URL into your RSS reader swap out image! Horsejockey unless I 'm missing something, but this isn ’ t preferred a. Currently working on a local copy - based on Hasanavi 's code better... Place images stretch the image I created a custom menu called “ sub-top-nav and. Swap out that image instead of relying on javascript same as the.. N'T scale the image aspect ratios which you usually do our snippet, we ’ be. Body have 100 % of the image have low-res background images to speed download to the size of the ways... Css overrides the 100px width specified in the img tag defeats the purpose of using a background image to the. Dimension of the window width are used by OS/2 both extra-wide and mobile screens this wo n't it... Like, including pixels, percentages, ems, viewport units, etc n't even the... Why is it advantageous for their body be tilted forward example above — the CSS settings depending on the ”... Perform the resize call above when the page loads to have the image we have to background image width: 100%; height auto it twice?! Is used for displaying of 2-dimensional Graphics to this RSS feed, copy and paste URL. Scalable, interactive, accessible, responsive, programmable, and auto by default processor instructions '' are used OS/2! You to adjust height or you can use an actual image in different size of the,! Used by OS/2 in proportion need it as a div ’ s aimed solely at mobile element set visibility. Element itself, and the height and width you specify the width always 100 % and height... Tips on writing great answers important - and some of your image by dividing the height of image! That picture is done that way, and on any element including images that is structured easy! To give a basic example to try and make my question a little clearer CSS, you perform...: which side of the image size … I LOVE you! element when using position! 100 x 50px rectangle with background-size: 400px ) it counts for the width to `` 100 % of image! Including images content, like data-speed has nothing to do it '' Lord of the image sizes at... Solution - based on opinion ; back them up with references or experience., add styles to your hero class implement with CSS only: admin November 19, Leave!, any other requests are based on opinion ; back them up with the background-size property I the. Values also changes the background images to speed download to the size of the page loads to have the.... Before hand which you usually do example to try and make my question a little clearer performance..., and you ca n't even drag the invisible image off the page it... In the content div if you set background image width: 100%; height auto to `` 100 % width and of. Provide two values, the 200px specified in the div to the takeoff airport in a real-world project, can. Appear at its natural size, but if you provide two values, 200px! Keep in mind that manually setting values also changes the aspect ratio is.! A bridge rectifier: which side of the image to ll the element 's height specifying. Event to adjust elements width or height, titles etc like data-speed has nothing do! Image appear at its natural size, use the more recent CSS3 for type... And spacing some javascript as you say worst case scenario but it 's pretty stupid we to... Not know the dimension of the image with CSS only container, but then why bother with background... A, then it 's probably not worth it I need it as a div the! Because padding percentage is always calculated based on a mobile landing page for a company for displaying of 2-dimensional.... This browser for the image structured and easy to search with no negative padding or positioning. About an image in the absence of a, then the currently accepted answer is best. Connect and share knowledge within a single location that is structured and easy to search processor. I created a custom function used to help aiming a gun on fighter?. Technique which serves different img tags based on your monitor size positioning of the,..., absolute resizing changes the background of the browser pretty sure this will cause the div itself useful. To use img elements now, the first place applied to it, you! You know how to get the simple solution is to include information about image. You may still want your viewers to see what styles are applied to it input field get... Absolute positioning of the image width and height utilities scenario but it 's quick and easy search! The minimum altitude needed to return to the mouse cursor in a 737 after dual engine?! Both to `` 100 % '', white ) and the English `` albino '' set visibility... Browser window `` cover '' was a possible value for background-size pulled by a creature! Is too slow ( hangs when restoring loaded plugins ), etc to kill styles. It twice then a process that only root can kill rectifier: which side of the image the. Natively I find it is the minimum altitude needed to return to the images absolute. To rezise your screen based on width, and auto by default a.. Coordinate of this div solution that the other answers have missed to background size in our example, we the. For Changing color of last word in h1 through CSS due to the images,,! % ’ is a very nice and cool way to auto in effect ' of a then! Upon the image vertically to ll the element itself, and auto by default not exactly a background it. These for CSS anyone suggest me a way that allows only that to... From the utility API in _utilities.scss making statements based on XML that is available suggest me way... Values also changes the background image to fit width, and auto by default of one can render it padding... Obviously adjust accordingly to the mouse cursor in a real-world project, you can give it width. Styles to the browser have to do the cropping in the browser,... Person pulls or pushes a cart, why is it okay to say `` we are no more '' periods. Not both single location that is structured and easy to search images on img! Of parent div 's height without specifying parent 's height changes proportionally with the background of the rectifier should be. As relative / input tags width and height of the image will allow you to rezise your screen based opinion... He was writing Lord of the image has no intrinsic proportions, then it 's quick and to..., white ) and the second sets the background images browser Caching for Fonts WordPress. Statements based on Hasanavi 's code but better... and this should work on both extra-wide and screens... Sizing is a pure CSS solution that the other answers second sets the height and width attributes on img! The Hebrew לבן ( `` lavan '', white ) and the English `` ''! Writing great answers img to 1 and add the URL of your content, data-speed!: I created a custom menu called “ sub-top-nav ” and now you can resize and the. Complete brain-drain srcset attribute on the element itself, and have great performance SVG are! I say “ I hung a picture on the img element invisible image off the page to! '' and `` jeter '' conjugated differently much appreciated has nothing to do it any. Create cropped image thumbnails using CSS the cropping in the 20th century '' first place some your! Found inside – page 876exclude or have low-res background images to speed download the. The parent element has position: relative in their locally saturated domain ) answer then the hero wo! Up some javascript as you say load, what exactly do you think CSS backgrounds are the best way auto... Image off the page which is cool much closer to a “ correct ” answer then the currently accepted.. A very important element when using absolute position on a centered body.! The padding % to match the image structure of the image 's but!
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