Questions tagged [css]

Cascading Style Sheets (CSS) is a language for specifying the layout and presentation in general of markup such as HTML and XML.

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1answer
41 views

doesn't inline-styling represent separation of concerns concept the best way if you think that you're separating the HTML element from other elements?

I know that Inline CSS styling gets so much hate from many developers, and I understand that some of this hate is justified by the following facts: Inline styles increase page size as they don't get ...
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0answers
530 views

Setting width/height of unknown images for lazy loading

I have a site where users upload images & can all be viewed on a single page by other users. I want to lazy load images as the user scrolls instead of loading all initially. This is easy enough, ...
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1answer
141 views

How do I set a darker background color on hover *without knowing the original color*?

I've tried everything related to filter and backdrop-filter, but nothing seems to work. I've searched online but not found a single article addressing this (which is odd). I simply want to set the ...
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1answer
155 views

What are downsides to opening local html files in the browser?

Let's say you have a scenario where you want to build a simple web stack (html/css/js) prototype to share with someone. I am a little unclear on whether or not I want/need to use a small web-server to ...
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1answer
62 views

How would you architect a simple cascading style sheet object?

How would you architect a simple cascading stylesheet like inheritance object? For example, I have Apple that extends Fruit. class Fruit { constructor() { this.total = 10; } } ...
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2answers
410 views

Why don't web browsers know the physical dimensions of a display?

CSS is a syntax for specifying the appearance of text and other web content, sizes and lengths are defined in pixels, however pixels have different sizes in different devices, this is the most notable ...
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3answers
130 views

What are some of the best ways to create single page websites with dynamic content?

I'm expirementing with creating a website as a IT Ticketing system. This website has a top nav and a side nav. I want the content area to change depending on the link clicked. I've managed to get the ...
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0answers
25 views

How to increase scalability the method that output each file while switching multiple many conditions?

I have a common style (common.scss) and a text direction (RTL, LTR) option file (option-document-direction-rtl.scss, option-document-direction-ltr.scss). And by switching the reading of these files, ...
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1answer
129 views

Inline HTML elements don't allow setting “width” - why is that?

In HTML/CSS, inline elements, such as <span>, do not support explicitly setting their width via the width CSS property. This is confusing to many developers, as questions like "Setting the ...
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1answer
148 views

Why isn't React recognizing the CSS file I've linked in Index.html?

I've built a meme generator using React as an early project to master the basics. I have 6 files in my "mememaker" folder on my desktop, which I created using "create-react-app". They include: index....
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464 views

Elegant way to prevent global CSS styles from being inherited by views (C#, ASP)

I've been working on a web app that's divided up into different web pages (around 20). It's only used within my company and it looks at financial data. It's a few years old and is in dire need of an ...
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3answers
285 views

Repeating CSS class contents. Structuring css code

I'm a backend developer working on a webpage, building the CSS part. I like to write as less code as possible and reuse them throughout the site, a lot of pages. I want to be able to reuse some CSS ...
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2answers
109 views

Why create CSS classes named to match one specific style? (non-semantic class names)

There are a number of CSS frameworks that have a one-to-one correspondence between many of the classes and a single style. For example, in basscss ".inline-block" is defined as "display: inline-block;...
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2answers
636 views

Is JavaScript added and executed in parsing or in rendering?

As far as I know, each webpage is created in a two stage process, initiated by a webserver request and ended in a webserver response: Parsing: markup (Say HTML) is executed as is, or created by ...
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1answer
142 views

Best practices for positioning elements in an HTML-based game

It seems like HTML5 has about a zillion different layouts and methods for positioning divs, few of which seem to work exactly as described in most browsers. Imagine an implementation of, say, Tetris ...
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1answer
76 views

Abstracting a CSS framework in an enterprise web application

Our team is attempting to "modernize" an old ASP.NET Web Forms application. One aspect we want to improve is its visual style as it looks very dated by today's standards. Additionally, its existing ...
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1answer
81 views

What are the points of apps like Sketch and Photosbhop when it comes to Web Development?

This may be an obvious question but I really don't understand this so if someone can help me that'd be great. Basically, I am in the middle of developing an e-commerce app for my database management ...
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1answer
87 views

ReactJS - proper way to handle a responsive design approach?

I've always used CSS and media queries when it comes to responsive design. I've been developing in ReactJS for a while, but I feel my approach to responsive design is sloppy. I find myself using a mix ...
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1answer
686 views

How to white label my website in php

I have a website that follows the following structure: www.example.com/city1 www.example.com/city2 ... Programmatically we change the logo which is hard-coded in a specific config file for city 1, ...
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2answers
127 views

What are CSS modules? Are they a library, or a spec, or what?

So there are a fair few blog posts about that introduce CSS modules. For example: the official documentation: https://github.com/css-modules/css-modules a post from CSS Tricks: https://css-tricks....
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2answers
437 views

Is there a rule of thumb when it comes to the “name” attribute?

Since there is things like BEM in naming conventions for HTML class attributes, does the name attribute have anything of that sort?
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1answer
125 views

Can everything that CSS Grid or Flex Box do be done with older CSS properties?

Can you do everything that CSS Grid or Flex box does with properties such as display, float, margin, position, overflow, etc ? Edit: See my comment with @PeeyushKushwaha
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3answers
106 views

If either html+css or an image can achieve my desired decoration, which one should I prefer to use?

For example, to create flow indicator like: Step 1 > Step 2 > Step 3 I can either: 1.Use html+css .concave{ border-left:1em solid transparent; border-top:1em solid orange; border-bottom:...
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2answers
180 views

CSS Methodologies for a Few Classes

We've been using BEM for several Drupal CMS projects quite successfully. This means we've been following a frontend-first approach where frontend developers specify the HTML, which is then implemented ...
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1answer
514 views

Is CSS inspired from C? [closed]

Maybe I'm not the first to ask this, but I've searched up and down the stack and I am yet to get an answer to my question. I have learnt CSS, and I also have a basic idea of the C programming language....
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1answer
101 views

Is there a best practice for naming class selectors for identification alone

Is there a best practice for naming class selectors for identification alone? For example, for defining a single amount field with action button, we end up creating several div containers and div ...
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2answers
1k views

Do I need to put a license in my website's HTML and/or CSS?

I am making a website for a competition my school is taking part in, however I am not on the team and am not receiving any compensation (save for better references :P). The only condition I have set ...
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1answer
168 views

Using CSS classes to express state

Is it good practice to express the state of an HTML element--such as whether an input's value is valid--using a CSS class? Would it be better practice to use data attributes, the properties of a ...
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1answer
455 views

What does it mean by Don't use IDs in selectors? [duplicate]

I was just trying IDs on the CSS tab and I noticed that a little warning sign appeared "Don't use IDs in selectors" Why does the CSS tap recommend me not to use IDs in selectors?. Is there something ...
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1answer
102 views

Styling shareable React component?

I've been looking for a good way to style a react component just using css stylesheets. I would have used style-loader, because it's as easy as require('./style.css') and allows to save the final ...
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0answers
931 views

Best Practices For Writing Memory Efficient CSS [closed]

What are some best practices for writing memory-efficient (for the lowest peak memory usage) CSS? I realize this is a broad question, so I have broken it down into two main categories: What are 'do's ...
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3answers
404 views

Add extra HTML classes for frontend-tests?

Imagine a structure like this, a list with products. <div class="container"> <div class="teaser"> <img src="..."> <p>Product 1</p> </div> ...
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2answers
11k views

How to namespace your CSS?

As far as I know there are two types of CSS namespacing: Prefix one: .myapp-alert {...} and class one: .myapp .alert {...} Which one is preferable? Does one has benefits over the other one? Are ...
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3answers
4k views

Why does Facebook obfuscate the names of CSS classes?

If you look at the source code of a website such as Facebook, you'll see many classes as such: <div class="_cy6 _2s24"><div class="_4kny"><div class="uiToggle _8-a _1kj2 _4d1i _-57 _5-...
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1answer
178 views

load more and Search Logic

Firstly i hope im in the right place to ask this question. I am building a web page that allows the user to select one image from a set of a 100+. i want to display them 6 at a time and the user ...
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1answer
197 views

Custom CSS Framework

Context: We're having a ton of super heated debates around the office. I'm just a neutral observer, as this is my first month at my current employer. Previously I haven't ventured outside of the ...
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2answers
153 views

Tabular Website Design with Continuously Added Content

I'm currently working on a site for a friend, converting a google sheet to a webpage (to reduce the time it takes to modify the spreadsheets and apply them to all users). One particular page is ...
3
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0answers
376 views

React DOM manipulation vs CSS for responsive breakpoints?

Specifically for ReactJS and responsive frameworks that show/hide elements based on width like Bootstrap. Because ReactJS has a virtual DOM I am presuming doing the DOM manipulation is faster and in ...
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1answer
94 views

Bootstrap classes in SCSS or HTML?

If I had a development workflow that supports SCSS and uses bootstrap. I can place bootstrap tags two ways... Inside the HTML: <div class="col-sm-3 offset-sm-9 col-xl-1 offset-xl-11"> Part of ...
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3answers
766 views

Best practices for front-end project with many views

We are a small front-end dev-team working with 18 months of experience and recently we got in touch with a first major project, ie. a medium complexity back-office web app, but with lots and lots of ...
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1answer
782 views

What are security risks of WYSIWYG HTML/CSS/JS editors running as web service?

I am currently implementing WYSIWYG editor that will be available on the web, what are the main security issues I should tackle? The editor currently works that when user is done typing, the text gets ...
3
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1answer
126 views

Why to design for mobile and scale to desktop with media query?

In the W3schools tutorial on CSS3 media queries they recommend to have the standard layout adapted to mobile viewing, and have a media query "scale it up" to desktop format when viewing on a desktop ...
5
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1answer
187 views

sass - use abstract selectors or mixins/placeholder?

This might have been covered in another thread. I didn't find it though.. Today, with Sass I have 2 options of styling my website. Lets see examples Example 1 <button class="button main center"&...
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2answers
795 views

Are ems still relevant?

My understanding from reading threads like this one is that the point of ems is to define all measurements in your webpage, by the base font size, which can be set by your browser. For example, in ...
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2answers
4k views

Should minified CSS be stored in Git?

I use Gulp to generate minified CSS from my SASS code for a project I'm working on. I wondered whether it's considered best practice to regenerate this minified CSS when pushing live from Git... or ...
7
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1answer
350 views

Why CSS3 Basic Box Model is “Dangerously outdated”?

These days I'm learning CSS by reading specifications, but I noticed W3C marked CSS Basic Box Model Level 3 as "Dangerously outdated" without any further explanation. So my question: What's the ...
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3answers
2k views

Why doesn't CSS allow single-line comments? [closed]

I understand that CSS only supports multi-line comments like such /* foobar */ Why is there not support for single line comments. // foobar They are just as common in programming and seems ...
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0answers
1k views

Bootstrap components and SMACSS/BEM methodologies

I have no enough experience in web development and I need advice from more experienced developers. I have been exploring SMACSS and BEM methodologies for a few weeks, and I like them, it makes really ...
2
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1answer
165 views

Using relative units instead of px following DRY principles

I am relatively new in web development, but I am trying always to find the best way and make my code even CSS and HTML clean. So I've started exploring best practices. First of all lets start ...
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3answers
276 views

Put all libraries (bootstrap…) in one file at the end of development

One of my coworkers puts all the css files in o one lib.css in the end of the project. I hate it because when i need to change something its just bad the see which scribt is involved (i see its in lib....

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