A checkmark or a tick icon can be created with pure CSS by drawing two straight lines and rotating them.

:placeholder-shown is a selector for 〈input〉and〈textarea〉 elements who are currently showing placeholder text. This can be be used in forms to highlight empty text input.

The window.getComputedStyle() method can be used to get current values of CSS properties of an element.

This video offers an introduction to CSS Grid. It can be used to create responsive user interfaces by dividing the web page into a grid of rows and columns.

In some case we may need to change the value of the CSS variable dynamically, or get the value of the variable in Javascript. This can be done using the native browser APIs.

CSS variables makes many UI problems easy, which were not straightforward before. This video will show you many interesting details about CSS variables.

A special thing about HTML data-attributes is that its values can be directly rendered through CSS also. Whenever value of data-attribute changes, new value can be rendered in the page automatically.

Scroll anchoring is a new technique implemented in browsers that prevents content jumping. This behavior can be controlled with the CSS overflow-anchor property.

The CSS pointer-events property can control whether an element can be a target for pointer (mouse & touch) events.

The CSS caret-color property changes the color of the caret, or the blinking cursor for text inputs fields. Changing the color of the cursor when the user focuses on the text field makes it more noticeable.

Setting width for the Tab key can change the look for textboxes and 〈pre〉 element. This can be done with the tab-size CSS property.

In a webpage, justification of text can be done with the text-align property. Spaces can further be adjusted with text-justify property.

It is a common practice to break lines by introducing a hyphen character between a word. In web pages this is done with the CSS hyphens property.

Many times you would like to leave empty spaces before the starting line of a paragraph. This can be done with the text-indent CSS property which defines the length of the white space appearing before the first line.

Good typography does not improve speed or understanding, but leads to greater engagement in reading. This video presented at CSS Day brings out some general guidelines for typography on websites.

When rendering an image browers maintains its aspect ratio. But this does not happen in this case of video element. This can be done with a bit of CSS.

The letter-spacing CSS property can be used to set spacing between individual characters or letters in words.

For modern browsers it is now possible to set smooth scrolling for a webpage with the CSS "scroll-behavior" property. No Javascript is required for smooth scrolling.

The CSS word-spacing property defines the width of white space between words in a block of text.

Styling first letter in a block of text is a good way of increasing user attention span. It can be done with the ::first-letter CSS pseudo-element.