The CSS Podcast
The CSS Podcast
Cascading Style Sheets (CSS) is the web's core styling language. For web developers, It's one of the quickest technologies to get started with, but one of the hardest to master. Follow Una Kravets and Bramus Van Damme, Developer Advocates from Google, who gleefully breakdown complex aspects of CSS into digestible episodes covering everything from accessibility to z-index.
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The CSS Podcast
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Podcast website
Latest episode
Nov 20, 2025
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Episodes
25: Season 1 Wrap Up 16.09.2020 52:58
In this closing episode, we do a whirlwind recap of our entire first season! We go over every episode, from the box model to z-index to animations and functions and color. Listen as we recount our favorite tips and tricks and discuss what we learned in the process of making this podcast.
24: Blend Modes 09.09.2020 18:00
Today we are talking about CSS blend modes! Blend modes are super fun and allow you to specify how you want elements to interact in terms of their overlapping pixel values on the page. Links: mix-blend-mode → https://goo.gle/3m5L9mP Isolation: Cascading Style Sheets → https://goo.gle/2GIDjiX
23: Filters 02.09.2020 26:20
In this episode, we're talking about CSS filters! We can alter the pixels of our web apps in similar ways to our favorite design tools. From recreating Instagram filter effects, to blurring background for better legibility, we dive deep into what CSS and filters can do. Links: Filter Effects Module Level 1 → https://goo.gle/34SPJ1D Backdrop Filter → https://goo.gle/3hJTMRz CSSGram → https://go...
22: Animation 26.08.2020 38:49
In this episode, we're talking about CSS animations. With CSS animations a developer creates a set of keyframes, and then uses a variety of animation properties to describe how the element moves through each of the possible keyframes. Links: Animations Level 1 Spec → https://goo.gle/2DhV0V2 Easing Level 1 Spec → https://goo.gle/3kWoWap Scroll-Linked Animations Draft Spec → https://goo.gle/39V...
21: Gradients 19.08.2020 30:38
In this episode gradients take the stage as we share syntax secrets, tips and tricks, and probably teach you about repeating-conic-gradient. By the end, you'll be savvy with color stops, transition hints, and all the ways to interpolate color in your design. Links: Spec Level 3 → https://goo.gle/3h8cRN7 Spec Draft Level 4 → https://goo.gle/3iPmDUE Lea's Pattern Gallery → https://goo.gle/3j4XEw...
20: Functions 12.08.2020 39:59
In this episode we talk about the runtime dynamic side of CSS, commonly recognized as a CSS function. Today, in similar fashion to other episodes, we'll be doing a massive overview of all the CSS functions, to be later deep dived. Links: CSS Tricks Guide to CSS Functions → https://goo.gle/2XRb7Ah CSS Variables → https://goo.gle/2XRb2fX Functional Notations Spec → https://goo.gle/3gJwavQ Cub...
19: Z-Index and Stacking Context 05.08.2020 19:49
In today's episode, we're talking about z-index and stacking context. This is a pretty in-depth topic, but it's something that we see all the time and it can definitely bite if you aren't aware of what's going on. Links: CSS Animations Level 1 → https://goo.gle/2DhV0V2 Scroll-linked Animations 1 → https://goo.gle/39VQV4N 15 thoughts on What's the Maximum Z-Index? → https://goo.gle/31ipKxh Wh...
18: Focus 30.07.2020 18:54
Today we discuss: focus! Focus is something we regularly deal with when writing styles and is also very tied to markup and attributes like tabindex, so we'll be discussing all of those things in this episode! Links: User Action Pseudo-classes → https://goo.gle/3jNSHcL HTML Standard → https://goo.gle/3g7FzNr Keyboard control → https://goo.gle/2X1rNEE Roving tabindex -- A11 → https://goo.gle...
17: Shadows 22.07.2020 21:34
Today we're talking about shadows! Box shadows, drop shadows, text shadows, and everything in between. Shadows can exist all over our UIs without us even realizing it because sometimes, they just look like borders. box-shadow spec → https://goo.gle/32JVdL4 text-shadow spec → https://goo.gle/2ZMdiGo Sass pixel art → https://goo.gle/3hsjQjp Any image to CSS → https://goo.gle/2WKnm0L Easin...
16: Borders 15.07.2020 24:46
Today we're talking about borders! And while this sounds relatively simplistic, borders in CSS can actually get pretty complex very quickly. It's not just color and style that you can adjust, but also also border images, where you control how the image repeats itself and what slice of the image you want to show. Links: CSS backgrounds and borders → https://goo.gle/3hbosdZ CSS logical properties an...
15: Pseudo Selectors 01.07.2020 36:46
In this episode we break down functional and regular pseudo selectors, CSS's special hook into encapsulated element states. We can't control them, but we can leverage them to provide rich interactive feedback from our interfaces. Links: Selectors Level 4 → https://goo.gle/2ZiJLmt a:link vs. a styling demo → https://goo.gle/2NGwWgd Hacking Visited for Una's Blog → https://goo.gle/3eIo0TC :f...
14: Pseudo Elements 24.06.2020 20:08
::after and ::before? Pssh, do you know about ::first-letter, ::spelling-error, and ::backdrop? In this episode, we dive into the world of pseudo-elements and discuss how to use these unique declarations that enable styling specific parts of some selected HTML. Links CSS Pseudo-Elements Module Level 4 → https://goo.gle/2BxRB3q CSS Shadow Parts → https://goo.gle/2NqjYmM CSS Text Decoration Mod...
13: Spacing 17.06.2020 24:15
In this episode we do our best to cover the many ways to create space on the web. From techniques like HTML entities nbsp; to gap, we cover the clever, hacky and clean ways you can create spatial relationships on the web. Links CSS Logical Properties and Values Level 1 → https://goo.gle/3gw7FTp HTML Entities → https://goo.gle/36Soqnd Everything You Should Know About Collapsing Margins → https...
12: Logical Properties 27.05.2020 20:20
The days of euro-centric spacing like `margin-top` are limited: instead, say hello to `margin-block-start` to define space that works within any linguistic context based on your layout needs. In this episode we shake the physical and lean into the logical as we break down CSS logical properties. Links: https://goo.gle/3gw7FTp Flow-relative syntax for margin - like shorthands - https://goo.gle/2...
11: Grid 20.05.2020 31:50
Tracks, gaps, areas and flow are hot topics in this full coverage episode on CSS grid. We don't leave anything out, so you're bound to pick up something new. We talk about functions like min, max, and minmax, and how to combine all of the powers of CSS Grid to create explicit and auto layouts. This episode will set you up to reach for the right parts of grid at the right time. Links Grid Spec → ht...
10: Flexbox 13.05.2020 24:02
In this episode we flex our flexbox knowledge and dive deep into CSS layout using the flexible box model. We talk about content axis', flex flow, wrapping, order, justification, alignment, and more! Links Flexbox Spec - https://www.w3.org/TR/css-flexbox-1/ Flow-flow with writing mode - https://codepen.io/argyleink/pen/mdeedye Grid to Flex: https://gridtoflex.com
9: Layout 06.05.2020 25:31
In this episode we provide an overview and slight history of laying things out on the web, starting from blocks and framesets, ending with Grid and Houdini. Links A History of CSS through 15 years of 24 ways → https://goo.gle/3fnrBXI Holy Grail Layout → https://goo.gle/2ynld2l Complete Guide to Flexbox → https://goo.gle/2A2Wtg9 Grid Guide → https://goo.gle/2SEldBM
8: Sizing Units 29.04.2020 25:43
We're sizing up sizing in CSS in this episode as we break down all the different lengths and measurements in CSS. CSS makes using these things seamless, it's great, but let's study some of the intricacies here; how it works and what that means for your day to day usage. Links CSS Spec Values and Units Level 4 → https://goo.gle/2KKdttw Sizing and Units on MDC → https://goo.gle/2VMkros Speech...
7: Color Part 2 - Perception 22.04.2020 21:49
Explore perceptual, human-centered, color in this episode as we review latest specs, latest syntaxes, theories and strategies for color on the web in 2020. Links: Spec CSS color level-4 → https://goo.gle/3cFCaDr Draft Spec CSS color level-5 → https://goo.gle/3cL4CUF How Color Gamut & Display Technology Can Affect Your Content → https://goo.gle/3eIH5p3 WICG Contrast Ratio → https://goo.gle...
6: Color Part 1 - Usage 15.04.2020 31:09
In this part 1 episode, we dive deep into using CSS color. We discuss ways to write and code colors, places they can go, functions you can use on them, and then we top it off with a hex color challenge. As always, you'll learn new jargon, pick up a trick or two, and learn something new. #C55 is #ace not #5ad Links The Evolution of Color - Chris Lilley Read color hex codes - Dave DeSandro CSS colo...
5: Inheritance 08.04.2020 8:07
Inheritance and its effects in CSS are found all over your styles, almost invisibly, until further investigation through devtools or docs. In today's episode, we illuminate the aspects of inheritance, how they're useful, things to watch out for, and of course tips, tricks and vocabulary. Links Spec: css-cascade-3 → https://goo.gle/39KZPR6 List of inherits or not → https://goo.gle/2wn0yKF
4: The Cascade 01.04.2020 11:49
The "C" in CSS stands for the cascade! And that's what today's show is all about. Learn how the styles you write are affected by other styles, and how it all boils down to what the user sees. 4 Phases Of The Cascade: › Position › Specificity › Origin › Importance Links MDN on the Cascade and Inheritance → https://goo.gle/39jAEES CSS Cascade Interactive Article → https://goo.gle/2UhqIHV Una's D...
3: Specificity 24.03.2020 12:58
In this episode we talk about how the browser resolves multiple selectors targeting the same subjects and how it determines which style to actually apply. Turns out, lots of code from many different locations is trying to style your elements, learning about specificity will help you debug and understand why or why not certain styles are winning over others. Links Diagram by Estelle Weyl → http:...
2: Selectors 18.03.2020 15:02
Get ready to learn some new CSS vocabulary! In this episode we talk about selectors, a syntax used to find elements (subjects) in a tree. CSS uses selectors to bind styles to subjects, and it's quite powerful. We go over universal selectors, type selectors, class selectors, ID selectors, attribute selectors, pseudo selectors, complex and compound selectors, and various combinators. A lot of things...
1: The Box Model 12.03.2020 12:05
Where do scrollbars go, inside or outside the box? In this episode Una and Adam answer that and much more in their discussion of the CSS box model. Everything in CSS starts as a box, and while that's a straight forward concept to initially think about, it can get complex quite quickly. Not only do boxes surround elements, but letters in a sentence each have a box too. How many boxes are there!? Lo...
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