![]() Note that transparency can’t be applied to elements with image backgrounds unless they’re generated using linear-gradient or similar. Hide with color alpha by SitePoint ( CodePen.Įach property can be animated separately to create interesting effects. Applying a zero alpha channel using rgba(0,0,0,0) or similar renders an item fully transparent: We can do that simply use the ::after pseudo class.Opacity affects the whole element, but it’s also possible to set the color, background-color, and border-color properties separately. While the up-triangle should be appended to any collapse-trigger that also Theĭown-triangle should be appended to any collapse-trigger that is not active, ![]() Let’s apply this in the affected code shown above and see the result. Set the value of the overflow property as auto for the parent and it will not collapse any more. A block formatting context (BFC) is a part of a visual CSS rendering of a web page. Finishing touches using the ::after pseudo classĪ typical visual cue that a drop down can be expanded is a down-triangle (▼).Īn up-triangle (▲) is as recognizable a cue that a menu can be collapsed. Method 1 (Using Overflow Property): We can use the overflow property of CSS to prevent the parents from collapsing. Just a little bit more clear by adding some visual cues. Very clear to the user that the #trigger even can be clicked. #trigger will now cause #content to collapse and expand! However, it's not I cannot figure out how to make multiple collapsing div elements on this page without writing a ton of extra CSS. What I am trying to set up is a page with 12+ questions, and when you click on the + button the answer div expands beneath. And that's it for the JavaScript, clicking the I have a pure CSS collapsable div which is based on someone else's code who uses the :target psuedoclass. OfĬourse, we need to call attachCollapseTriggers sometime after the page has When the element is clicked, the collapseTrigger function is called. You can probably guess where to put the classes in the markup already: The active classes, the collapse is visible. If a collapse element follows an element with the collapse-trigger AND.An element with the collapse is hidden by default.Try it When applied to non-floating blocks, it moves the border edge of the element down until it is below the margin edge of all relevant floats. The clear property applies to floating and non-floating elements. To collapse and expand #content, we will use two classes: collapse-trigger The clear CSS property sets whether an element must be moved below (cleared) floating elements that precede it. Some things to note: More complex margin collapsing (of more than two margins) occurs when the above cases are combined. Remove them if you wish and everything will still work as expected. If there is no border, padding, inline content, height, or min-height to separate a blocks margin-top from its margin-bottom, then its top and bottom margins collapse. The id attributes serve no other purpose here, you can Later refer to the #trigger, I mean the div with id="trigger", and likewiseįor the #content. Let's get to it! Note the id attributes on the two inner div tags. To have some control over the process, use a value of manual, then insert a hard or soft break character into the string. Basic example Click the buttons below to show and hide another element via class changes. Instead, use the class as an independent wrapping element. Given how CSS handles animations, you cannot use padding on a. Using a value of auto, the browser is free to automatically break words at appropriate hyphenation points, following whatever rules it chooses. Collapsing an element will animate the height from its current value to 0. One containing the content that we want to hide/show (a single paragraph). To add hyphens when words are broken, use the CSS hyphens property. When creating a grid you can specify the gaps between the rows and columns. You can use a link with the href attribute, or a button with. CSS Grid is also highly flexible, and takes all the good parts from table, flex, and inline-block elements and brings them into one place. collapsing is applied during transitions. You'll probably need to change the font paths as well if you copy the declaration to your main css file. CSS Grid is highly supported apart from IE which only needs an -ms-prefix to allow for it to work. It's in Google Drive so you'll need to click File > Download to save it to your computer. Will act as the trigger for showing and hiding the content. The css font-face declaration is included: zipped zero-width space font. The second is a heading for the content, which We have 3 div tags in total: one is the container (sidebar) which really has This content would be neat to hide and show at the click of a button!
0 Comments
Leave a Reply. |