Bootstrap modal popup height and width that its height is always less than the screen height and the width is adjusted accordingly. It is a really convenient way to improve the website's content rendering as per the requirements. The height of the modal is then dynamic, expanding to fit the content appropriately, up to 90% of the window height. Blocs titles the size adjustment for a modal “Fill Screen”, which is odd. When i click a link, a pop up comes out. Learn how to increase modal width in Bootstrap 5 and other versions. You have to just add some class or CSS to customize the modal sizes. modal-dialog { max- Dec 16, 2015 · I am trying to define a bootstrap modal that gets a dynamic width regarding its content and if necessary a vertical scrollbar. The modals in Bootstrap 5 have three optional sizes, available via modifier classes. But we can change the default width of the modal box using Bootstrap 5. This makes only the modal-body content scroll if the size of the content would make the page scroll. Learn to create Bootstrap 4 Modals including creating, positioning, and more. modal-xl) 5. Aug 2, 2014 · In case someone else sees this, I think there is an easier way to achieve this. show() method of modal service. modal-dialog, you may want to add the following to the above v4 SCSS code to force the modal to extend the full height of the viewport: . Add dialogs to your site for lightboxes, user notifications, or completely custom content. Use Blazor Bootstrap modal component to add dialogs to your site for lightboxes, user notifications, or completely custom content. modal-content { max-height Use Bootstrap’s JavaScript modal plugin to add dialogs to your site for lightboxes, user notifications, or completely custom content. Aug 10, 2018 · Bootstrap 4 Modal is a dialog box or popup window displayed on top of the current page, disabling the background window. Learn how to create Bootstrap modals with this free online tutorial. Dec 1, 2015 · I have also faced the same issue when increasing the width of the modal, the modal is not displaying in the centre. As to the size, you can again supply your own class with your custom width and height to the container and it should take up on it, the way you're adding it inline now works fine as well, just make sure to add it to the main container. Sep 6, 2021 · We can also customize the width/height of the modal by changing the CSS properties for the div containing . modal-lg: This class is used for creating a large modal having a width of 800px modal-xl: This class is used for creating extra-large modals having a width of 1140px. Responsive React popup window sizing with Bootstrap 5. modal-dialog, you can then simply change the width of the modal as you want by the following code: Modal size Set the size of the modal using the size prop. How can I set the max-width of modal to 900px? How can I set max-height of modal to screenheight minus the padding:20px. Fullscreen Modal in Bootstrap 5 To create a fullscreen modal in Bootstrap 5, you have to add the class . modal-dialog class: . I don't want to put a horizontal scrollbar as well. Now I need to add the Minimize/Maximize icons to popup. modal-lg large modal. To be able to open modals from service, inject BsModalService to your constructor. ,In either case, you have to use it after the reference of Bootstrap CSS file. Jan 8, 2018 · A simple modal example Display modal vertically centered example Displaying tooltips in Modal dialog example A demo of displaying popovers Create large and small-sized modal windows How to customize the height and width of Modal in Bootstrap 4? Overriding the default colors demo Removing the animation as modal closes Display the modal as the web page loads Disable the keyboard Escape key Use Bootstrap’s JavaScript modal plugin to add dialogs to your site for lightboxes, user notifications, or completely custom content. Easily make an element as wide or as tall (relative to its parent) with our width and height utilities. Oct 16, 2013 · I've enjoyed using Bootstrap 3 lately, but was limited by the fixed-width of the modal dialog boxes. Let's say that the modal has a width of 600px. modal-sm class for small modals (max-width 300px), . Jul 15, 2025 · Example 2: Here an image has been used instead of the button, which triggers modal popup on click. modal-dialog class to resize the default modal. 3 I am using Bootstrap Model-dialog popup to display my content in my Angular 7 application. Examples of with image, modal position i. In the following Mar 25, 2019 · I am trying to make a bootstrap vue modal fullscreen. Syntax: modalID. Change the size of the modal by adding the . modal-dialog element. Bootstrap 4 Modal The Modal component is a dialog box/popup window that is displayed on top of the current page: Open modal Jan 10, 2013 · I have a custom sized (80% height width) bootstrap modal body and it scrolls (body content will overflow on some sized screens) There are 2 problems: I can't set the max-height to 100% as that wil Sep 17, 2015 · How can I apply a dynamic width and height to a react-bootstrap modal window? I have checked the react-bootstrap docs here but could not figure out how to do that. I would like to set the width and height of the whole modal window to 80% of the viewport, while setting the moda Apr 15, 2012 · You can supply the . . fun For Bootstrap versions >= 4. You can change the size to 25/50/75/100% of the page width (I wish there were even more increments). Oct 26, 2015 · The trick is to give up on setting the height based on the height of the modal and to instead use vh to calculate the height based on the viewport height. modal-lg) 4. modal-xl class to resize the small, large and extra-large modal dialog box respectively. That includes prompts, configurations, cookie consents, etc. popup'). It should be placed Use Bootstrap’s JavaScript modal plugin to add dialogs to your site for lightboxes, user notifications, or completely custom content. Sep 5, 2023 · Answer by Stanley Guerra In order to increase or decrease the modal window height and width properties of Bootstrap, you need to get the modal related classes and use desired values either in the <style> section or in your external CSS file. After playing around, I found the below solution. Oct 6, 2022 · I've updated my answer to add styles to the image itself, max-height of 80% of the viewport so it doesn't go off the bottom of the modal, and remove the 100% width by replacing with auto but set a max-width of 100% of the modal. Then, call . modal-dialog-scrollable { max-height: 100%; } and . modal-dialog is present. Modal width, modal height, fullscreen modal, large modal with lg & xl modal classes and more. Large (. modal-dialog-scrollable on the element with . modal-lg class for large modals (max-width 800px), or . 2, to show a popup window (modal) with an image in real size (100%) in both width and height, as long as the size of the browser window allows, and if not, that is, if the image is larger than the size of the window, then it will be reduced automatically. modal-dialog class The modals in Bootstrap are used to add dialogs for user notification or other things. Feb 17, 2014 · I need to resize this bootstrap modal based on the height of the iframe content because it is dynamic. modal-body class is used to define the style for the body of the modal. To use it, just add the class modal-dialog-scrollable to the same div that has the Oct 12, 2017 · Hey there, I am facing chart width problem with bootstrap modal popup. Below is the solution for the same. It should be placed Aug 18, 2014 · In this article, let us explore how to make responsive full width modal popup using twitter bootstrap. You may learn more about Bootstrap 4 modal height and width in its tutorial. If that's all you need, BS does it for you If you want to style each modal independently, you want to use an id tag in addition to the class modal tags. center, z-index usage, modal fade animation, backdrop usage, modal size & more. Feb 16, 2016 · <style> . May 16, 2025 · Generate customizable Bootstrap 5 modals with dynamic content via HTML data attributes. Modals are used to add dialogs to your site for lightboxes, user notifications, or completely custom content. modal-mysize { Dec 22, 2016 · Can someone help me set the width of a bootstrap modal to 75% of the screen's width and horizontally center it? So far I have tried: Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more. It definitely feels like it should be there. e. modal-header class is used to define the style for the header of the modal. I used thi Dec 22, 2015 · $('. Using the default Bootstrap classes to achieve a wider modal rather than just setting the max-width in CSS means that it will be responsive at different frame sizes. handleUpdate() Example 1: The example below demonstrates how we can implement the Mar 1, 2015 · I'm looking for a way to keep a modal dialog within screen bounds, i. addClass ("modal-sm"); less custom css lines in your code using already existant classes. modal-xl for extra large modals (max-width 1140px). modal-sm, . modal-xl extra large modal. However, this only works in Bootstrap 5, and other versions require some CSS to make it full screen. Oct 4, 2016 · Learn how to resize images inside a modal window using CSS with tips and examples provided by the Stack Overflow community. modal-fullscreen whole width and height of the page. I basically want the same behaviour as default bootstrap css but for the size 1000px; I tried combinations of the answers in the other stackoverflow question which deals with setting the modal dialog Aug 20, 2024 · Bootstrap 5 is the latest major release by Bootstrap in which they have revamped the UI and made various changes. app-modal-window . How hard can it be? Wellllll. What is the best way to set/override a custom width for a modal? It seems ng-bootstrap currently supports size: 'sm' | 'lg' but Bootstrap 4 supports sm, md and lg. height($('. However, if you still want to customize the size of the modal window you can override the CSS width property of the . That's weird. Sep 6, 2021 · Bootstrap Modal: It is a dialog window that opens inside the browser window on triggering certain events. Size By default, Modals are medium sized. This can be achieved using the modal. In fact, you can assign any width by targeting the . This class is applied to the actual modal window, so you can use it to customize other stuff as well. Responsive popup window sizing with Bootstrap 5. Note Modal Size In Bootstrap 5, you can adjust the modal size using specific classes on the . Easily adjust width and height of elements relative to their parent using Bootstrap's sizing utilities. using this in multiple places, I am changing the width and height of popup against the content loaded. modal-sm) 2. In Bootstrap 4, if you're using . Small Modal For a small modal, add the . Mar 20, 2017 · Bootstrap 4 includes sizing utilities. Responsive modal built with the latest Bootstrap 5. By the way my code also helps the website (and the pop up) to look perfectly in a mobile ve Apr 16, 2012 · body . Sep 22, 2016 · Centering the modal is fairly simple if you use the CSS calc () function on the left CSS property. modal instead of . Load content from AJAX or existing HTML elements. Apr 9, 2016 · I need the modal button to listen for changes, so that it can open up with new content. Learn how to customize Bootstrap Modals easily. 3 added new scroll feature to modals. popup is not assigned to the element and hence increase/decrease height is not working. window. It would be better if it is true 100% width and height and if someone needs it smaller to use the method Eldar suggested in his tutorial (changing the bootstrap class: modal-content). Oct 23, 2018 · Bootstrap add / edit popup window resize - New for v10PHPRunner Tips and Tricks Bootstrap add / edit popup window resize - New for v10 Jul 29, 2024 · Your All-in-One Learning Portal: GeeksforGeeks is a comprehensive educational platform that empowers learners across domains-spanning computer science and programming, school education, upskilling, commerce, software tools, competitive exams, and more. modal-dialog { width: 500px; } Then in the controller calling the modal window, set the windowClass: I have a Modal Popup (Bootstrap) which displays content based on the user selection I've used this as my reference, Also added this to my script section in the aspx page This is the javascript code Use Bootstrap’s JavaScript modal plugin to add dialogs to your site for lightboxes, user notifications, or completely custom content. Browse other users' questions about our Blazor components. This way you can add it to an custom CSS file, and without worries update Bootstrap. This is a two part question: How can you position the modal vertically in the center when you don't know the exact height of the modal? Is it possible to have the modal centered and have overflow:a Dec 31, 2013 · In Bootstrap, modals will automatically change size depending on the size of the content within them. I did not set any width or height, but it’s seems, chart did not get full width of modal popup. Use the size option to pass some custom name, let's say mysize: this. modal-dialog { width: auto; } </style> but the behavior matches the default boostrap and the size is still the default 600px and if you resize that smaller than 600px it is adaptive. Start your journey today with IQRA Technology! Responsive Modal built with Bootstrap 5, Angular and Material Design. You can use 50% of the screen width minus half of the width for the modal. For example, For large screen, the modal only takes up a small potion of the screen (lets say max width 200px; For medium screen, the modal takes up most of the screen (Lets say 80% of the screen width and height For mobile device, it takes takes up 100% of the width and height. So all in all your modal Getting started with Modals in Bootstrap 3, setting up the needed files, set up a modal, change size and position of modals and put one modal inside another Apr 21, 2024 · Discover how to create a responsive modal button that adapts its width based on the device screen size using JavaScript and Bootstrap. The options are "sm", "lg", or "xl" for a small, large or extra large modal. Pass a TemplateRef or a component as a first argument and config as a second (optionally). The vertical scrollbar works but the horizontal width seems to be a f Jun 7, 2017 · I am simply trying to make a bootstrap modal display extremely tall on a iphone 5/6 device. The content of modal has been center aligned using "text-align: center". Jul 29, 2024 · Your All-in-One Learning Portal: GeeksforGeeks is a comprehensive educational platform that empowers learners across domains-spanning computer science and programming, school education, upskilling, commerce, software tools, competitive exams, and more. Let’s find out with the examples given below. To use these we will replace the modal-lg class. Jul 18, 2016 · A modal. The . Jan 21, 2021 · The small modal has a max-width of 300px, default is 500px, large is 800px and extra-large has a max-width of 1140px. wide-modal-dialog . Sep 17, 2015 · I wanted to open a popup which loads another web page in iframe and display in modal (bootstrap). 1. This can be achieved using Bootstrap's classes like modal-dialog-centered, which ensures the modal appears in the middle, providing a balanced and user-friendly design. I did try the maximum fix way in the modal body, but that just cuts off my modal if it goes oversize. Bootstrap 5 Modal Optional sizes Classes: modal-sm: This class is used for creating a small modal having a width of 300px. This is one of the latest trend Modal Bootstrap Modal Add dialogs to your site for lightboxes, user notifications, or completely custom content. . This might not work for the OP's situation since they have other content in the modal-body, but it might be helpful to someone else. alert ("Hello"). Dec 23, 2012 · I am trying to find a workaround for increasing the height of my bootstrap modal. Apr 13, 2024 · The Angular ngx-bootstrap library provides a range of components, and one of these is the modal component, which spares us the stress of creating a modal from scratch. You can use default bootstrap classes, like modal-sm. So your code could be: bootbox. Small (. Dynamic heights can be implemented which can be really useful in a modal that changes the content shown in it. Examples with horizontal and vertical alignment, fullscreen popup, tooltips & popovers. scss . I am trying t Modal Bootstrap 5 Modal component Responsive popup window with Bootstrap 5. Dec 19, 2022 · Is there a way to limit the size of bootstrap 5 modal dialog and backdrop? The example below is occupying 100% of the screen, is it possible to make it cover only the parent main container? &lt;main Use Bootstrap’s JavaScript modal plugin to add dialogs to your site for lightboxes, user notifications, or completely custom content. 使用 Bootstrap JavaScript 的互動視窗插件來增加一個對話視窗，用於用戶提示、燈箱或完整的自訂內容。 Sep 16, 2014 · 1. Jan 23, 2014 · . Check out React Modal Size Documentation for detailed instructions & even more examples. modal-admin { /* new custom width */ width: 750px; /* must be half of the width, minus scrollbar on the left (30px) */ margin-left: -375px; } The reason I put body before the selector is so that it takes a higher priority than the default. The <button> inside the header has a data-dismiss="modal" attribute which closes the modal if you click on it. e. w-75. Method 1: Using pre-defined Bootstrap classes Bootstrap has pre-defined classes for changing modal dimension Jul 30, 2024 · A website can have dialogues added for lightboxes, user notifications, or entirely unique content by using Bootstrap modals. Oct 17, 2015 · I am trying to make modal height same as window height. Medium/Default (No Class) 3. Oct 18, 2013 · You can adjust the width of the popover with methods indicated above, but the best thing to do is to define the width of the content before Bootstrap sees is and does its math. hide class to the container of the modal to hide it, which is the default bootstrap method of hiding modals. Jun 8, 2017 · Changing the Modal Size Although, as of Bootstrap 3. close class styles the close button, and the . Both the default width and modal-lg use css max-width to control the modal's width, so first add the mw-100 class to effectively disable max-width. Aug 2, 2024 · Bootstrap 5 Fullscreen Modal is used to create a modal that completely covers the entire screen of the user. Service examples Open a modal from service. In Bootstrap 5, modals are built using a combination of HTML, CSS and JavaScript, and are designed to be flexible, customizable and accessible. Class "w-100" has been added to modal title so that it occupies 100% width of the parent div and becomes center aligned due to "text-align: center". A small box that pops up to tell you something important. Jul 26, 2022 · How to: Adjust the Size and Style of Pop-up Dialogs (Blazor) Jul 26, 2022 3 minutes to read Use Blazor Bootstrap modal component to add dialogs to your site for lightboxes, user notifications, or completely custom content. An example is linked above. Ideally I would like the mo Nov 3, 2016 · I am just wondering if you can adjust the width of the modal to fit it's content without having to set the width property to a fixed value. Let's say you want to implement it, in a good Bootstrap way Feb 9, 2016 · My requirement is, on click of a button, a pdf file should be displayed on dialog modal. Similarly, you can override the width property of . Bootstrap Modals offer a lightweight, multi-purpose JavaScript popup to add dialogs to yours. modal-title class styles the header with a proper line-height. May 8, 2015 · Learn how to autoplay a YouTube video in a Bootstrap modal using jQuery with this comprehensive example and guide. Actually the value of width and h I am trying to create a kind of responsive megamenu using Bootstrap 3 modal dialog. You can also make them small or large. Use Bootstrap’s JavaScript modal plugin to add dialogs to your site for lightboxes, user notifications, or completely custom content. Modal is a responsive popup used to display extra content. 0, there are three pre-defined Modal widths to choose from – default, small and large – but you certainly are not bound by them. open(content, { size: 'mysize' }); Now, set the CSS class modal-mysize to whatever size you want. modal-fullscreen) Notice that there's not any Extra-Extra-Large . height() - height); increaseHeightCount = increaseHeightCount - 1; } } outPopUp is the class where I override bootstrap css for changing the modal window position. Extra-Large (. Bootstrap 5 Fullscreen Modal Used CLasses: modal-fullscreen: This class is used to create Full Screen Modal modal-fullscreen-*-down: This class is used to create a full-screen modal based upon breakpoints like sm, md, lg, xl,xxl Syntax: Jan 8, 2018 · A simple modal example Display modal vertically centered example Displaying tooltips in Modal dialog example A demo of displaying popovers Create large and small-sized modal windows How to customize the height and width of Modal in Bootstrap 4? Overriding the default colors demo Removing the animation as modal closes Display the modal as the web page loads Disable the keyboard Escape key Use Bootstrap’s JavaScript modal plugin to add dialogs to your site for lightboxes, user notifications, or completely custom content. You can reference this id in your CSS with a #. I wanted to override the default Bootstrap modal so it was variable-width and height-optimized. Aug 18, 2014 · In this article, let us explore how to make responsive full width modal popup using twitter bootstrap. Oct 21, 2018 · Is it possible to dynamically size it (perhaps with css media tag). modal-dialog"). @Norm This is strange to leave a small edge around the modal. Mar 18, 2019 · 2 I am using Bootstrap 4. Reason being bootstrap applies a max-height to the modal body with the css rule as below: Oct 17, 2020 · Help. The thing is that it is not aligned to the centre of the screen. You can define a class as below in your style. hide() method and content property where you'll find a component which Oct 9, 2024 · Aligning a modal to the center of the screen in Bootstrap means positioning the modal window vertically and horizontally at the center of the viewport. modal-fullscreen to the div element having class . I have also been trying to find either the width or height of the entire modal as well as the modal classes and found this solution. This is a shortcoming of the Bootstrap modal design. This is achived , but whenever i want to customize the height and width , it creates issues. modalService. show() method returns an instance of BsModalRef class with . Aug 8, 2016 · Here is a JSFiddle that may help you: Working JSFiddle When CSS style is added on the class . Medium hard, I'd say. Easily adjust element dimensions with Bootstrap's width and height utilities. In this article, we will focus on adjusting the width/height of the modal box. The modals come with medium default width. Feb 13, 2025 · Bootstrap modal is one of those components that roves Bootstrap is the framework where everything is taken into account. Jan 26, 2023 · A modal is a popup window that appears on top of the current page, typically used to display additional content or to prompt the user to take an action. Note: Bootstrap 4 has built-in classes for creating the large and small-sized modals. Jan 19, 2022 · Forum Thread - Custom the Size of Modal PopUp Dialog. modal-dialog-scrollable . modal-dialog { width: 75%; } Using CSS media queries, you can choose different widths based on the viewport size. Apr 4, 2016 · I want to change the width and height of the modal in Bootstrap. Aug 5, 2013 · Added flexbox solution (the translateY(-50%) one makes top of modal inaccessible when modal contents are taller than device height). Also want to left out some The . modal-dialog: Due to the port-size for these examples, you might need to open this example in preview mode to see the proper effect. modal-sm small modal. resizeIframe = func Apr 22, 2013 · 117 Since your content must be dynamic you can set the css properties of the modal dynamically on show event of the modal which will re-size the modal overriding its default specs. As far as I can see in the DOM explorer, . The following will set the width to 200px: . Using an onload and the following function I am getting nothing. This example below has the modal at 600px so I have the calc () function at 50% - 300px. 3 Bootstrap 4. By default, modals are "medium" in size. If you don't specify anything, or specify size=False, you will get the default modal size. I tried: . modal-xxl size, despite that Bootstrap supports the XXL size as part of its native grid system. handleupdate () function. In Bootstrap 3 documentation, they say that being able to reload a modal with different content is deprecated, and in Bootstrap 4, they are going to remove the possibility (IIRC). Apr 1, 2025 · This tutorial explains all about Bootstrap Modal Popup. Please Help! Explore Bootstrap's width and height utilities to easily adjust element dimensions for responsive design. Though I must add that with this approach the width and height of the modal are only found after it has loaded. I think that it is not possible to get the correct width and height of the modal before it is being displayed since it is hidden by default before the Use Bootstrap’s JavaScript modal plugin to add dialogs to your site for lightboxes, user notifications, or completely custom content. g. Aug 10, 2021 · How to change the default width of Bootstrap modal box? Answer: using . There's quite a few considerations and This CodePen demonstrates how to create a Bootstrap 4 modal with auto height functionality for dynamic content. Nov 10, 2016 · In this tutorial, I will show you how you may change the width and height of the modal window. I have tried increasing the height in the modal-content, as wel Responsive React popup window sizing with Bootstrap 5. Jul 23, 2025 · This is used to create different sizes modals. modal-content{ width:100% ; height: 100% ; } Then, you can inject the class as an option before showing the modal: const options: ModalOptions = { animated: true, class: 'wide Jan 19, 2022 · Forum Thread - Custom the Size of Modal PopUp Dialog. May 11, 2020 · The extension converts the Bootstrap 4/5 modal into a full-width or full-height modal window that slides out from the top/bottom/left/right side of the screen when toggled. Whether you need to create a simple basic popup or advanced custom modal window, it assists in this matter. modal-dialog. I cannot get this to work for anything. wide-modal-dialog { width:100%; max-width: 850px; margin: 0 auto; } . Multiple examples and tutorial. find ("div. modal-dialog class. modal-lg and . Fullscreen (. modal-sm class to the . Which css classes should I override, I want to do this in a scoped style in the component that will use this modal. Then just add the width class you want, e.