CSS selectors are a very simple tool to select elements from a Nokogiri document. However, the colon in the XML...

By default, browsers will not wrap text at syllable boundaries. Text is wrapped at word boundaries only. This card explains...

Since images are magnitudes larger in file size than text (HTML, CSS, Javascript) is, loading the images of a large...

To make CSS rules dependent on the screen size, we use media queries: @media (max-width: 500px) { // rules for screen...

When your Cucumber feature needs to browse the page HTML, and you are not sure how to express your query...

Here is a Javascript function reloadUsers() that fetches a HTML snippet from the server using AJAX and replaces the current...

Browsers' printing methods usually don't print background colors. In most cases this is the desired behavior, because you don...

You can use the CSS property mask-image to define an "alpha channel" for an element. E.g. to let an...

Be careful to name any file @imported by SASS with a leading underscore. SASS files not beginning with an underscore...

Non-static elements will not inherit their parent's opacity in IE for no good reason. This can lead to...

Browsers come with a set of built-in elements like or . When we need a new component not covered by...

Detecting if a Javascript is running under Selenium WebDriver is super-painful. It's much easier to detect the current...

So I had the issue that User input (coming from many different sources and users) often contains the...

JavaScripts and CSS should be minified for production use. In Rails 3.1+ the asset pipeline will take care of this...

If you're using the Capybara webdriver, steps sometimes fail because the browser hasn't finished loading the next page...

...designs by topic with Webframe List of explorable Bootstrap designs A checklist for design components Checklist Design Beautiful UI components, crafted by the creators of Tailwind CSS Analyzers

Applications often show or hide elements based on viewport dimensions, or may have components that behave differently (like mobile vs...

If you're suffering from a huge de.yml or similiar file, cry no more. Rails lets you freely organize your...