INTRO

INTRO

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Intro to the Designer

Intro to the Designer

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2:48

Intro to HTML & CSS

Intro to HTML & CSS

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3:38

HTML Structure

HTML Structure

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1:55

WEB STRUCTURE

WEB STRUCTURE

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The Box Model

The Box Model

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1:54

Element Hierarchy

Element Hierarchy

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3:57

Navigator Panel

Navigator Panel

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2:45

ELEMENTS

ELEMENTS

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Element Panel

Element Panel

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1:49

Section

Section

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4:14

Container

Container

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2:44

Columns

Columns

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2:22

Div block

Div block

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3:37

Buttons & Links

Buttons & Links

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Button

Button

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14:08

Link Block

Link Block

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9:35

Text Link

Text Link

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1:16

Typography

Typography

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3:20

Heading

Heading

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2:02

Paragraph

Paragraph

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4:42

Rich Text

Rich Text

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3:52

Text Block

Text Block

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0:56

Block Quote

Block Quote

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0:42

List

List

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2:31

Media

Media

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Image

Image

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3:39

Image File Types

Image File Types

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2:22

Image Resolution

Image Resolution

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3:28

Assets Panel

Assets Panel

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3:08

Video

Video

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1:20

Background Video

Background Video

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3:15

Components

Components

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Intro to Forms

Intro to Forms

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4:55

Styling Forms

Styling Forms

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2:55

Navbar

Navbar

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9:38

Styling a Navbar

Styling a Navbar

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4:34

Navbar Menu Button

Navbar Menu Button

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4:51

Slider

Slider

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4:56

Tabs

Tabs

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4:38

Lightbox

Lightbox

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3:44

Map

Map

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2:58

Dropdown

Dropdown

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4:38

Social Media Buttons

Social Media Buttons

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2:49

Custom Code Embed

Custom Code Embed

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1:24

Symbols

Symbols

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3:47

Styling Basics

Styling Basics

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Intro to Style Panel

Intro to Style Panel

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3:15

HTML Tags

HTML Tags

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3:59

Classes

Classes

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2:46

Combo Classes

Combo Classes

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4:05

Text Style Inheritance

Text Style Inheritance

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3:18

Style Manager

Style Manager

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1:56

States

States

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2:47

Transitions

Transitions

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2:40

Color Picker & Swatches

Color Picker & Swatches

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3:51

Color Values

Color Values

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3:22

Layout Basics

Layout Basics

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Intro to Web Layout

Intro to Web Layout

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2:27

Display Settings

Display Settings

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2:54

Padding & Margin

Padding & Margin

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2:48

Width & Height Units

Width & Height Units

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3:59

Floats & Clears

Floats & Clears

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1:52

Flexbox & Grid

Flexbox & Grid

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Intro to Flexbox

Intro to Flexbox

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2:27

Centering elements with Flexbox

Centering elements with Flexbox

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1:20

Equal height layouts with Flexbox

Equal height layouts with Flexbox

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1:47

Grid layouts overview

Grid layouts overview

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4:18

Flexbox vs. Grid

Flexbox vs. Grid

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4:00

Advanced Layout

Advanced Layout

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Positioning Overview

Positioning Overview

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1:48

Relative Positioning

Relative Positioning

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1:43

Absolute Positioning

Absolute Positioning

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1:43

Fixed Positioning

Fixed Positioning

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1:27

Z-Index

Z-Index

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1:49

Overflow

Overflow

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1:49

Styling Typography

Styling Typography

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Intro to Web Typography

Intro to Web Typography

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3:20

Typography Units

Typography Units

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2:43

Line Height

Line Height

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1:38

Advanced Typography Styles

Advanced Typography Styles

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3:01

Google Fonts

Google Fonts

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1:18

Custom Fonts

Custom Fonts

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1:27

Text Shadow

Text Shadow

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2:36

Background & Border Styles

Background & Border Styles

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Background Styles Overview

Background Styles Overview

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2:20

Background Image

Background Image

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2:04

Background Gradient

Background Gradient

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3:02

Border

Border

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3:07

Border Radius

Border Radius

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3:22

Box Shadow

Box Shadow

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3:34

3D Styles

3D Styles

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Intro to 3D

Intro to 3D

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2:25

3D Perspective

3D Perspective

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4:01

2D & 3D Transforms

2D & 3D Transforms

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4:53

EFFECTS

EFFECTS

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Opacity

Opacity

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1:44

Filters

Filters

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2:59

Cursors

Cursors

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1:45

Responsive Design

Responsive Design

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new course
CSS grid landing page tutorial (36min)

Lesson info

Lesson info

You can alter an element's z-index to change its position along the z-axis (an imaginary dimension that extends into and out of your computer screen, creating the illusion of depth). Increasing the z-index on an element allows it to "sit on top of" elements with a lower z-index, and lowering the z-index can make an element sit beneath elements with a higher z-index. But z-index only works with elements that have relative, absolute, or fixed positioning.

In this video, we'll show you how to use z-index on relative, absolute, and fixed position elements in Webflow.

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Want to dig into the project featured in this video and see how everything is put together? We've included the full project we used when making this lesson, and we've shared the link right under this very paragraph.

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Transcript

Even for 2D elements, our third dimension, the z-axis, represents stacking order. In other words, what elements stack or overlap on top of other elements? Changes to z-index don't actually move our elements. This isn't controlling real depth. But z-index does help us position elements when we stack them.

Essentially, elements with a higher a z-index value show up on top of elements with a lower z-index value. There are some caveats:

If we have two elements (each of these elements has children), z-index will control stacking for those parent elements. But if element A has a higher z-index than element B? The children of element B can never overlap any part of element A. Even if the z-index is 700 billion.

Let's look at this in the Designer. Three div blocks, side-by-side. Our intention here is to have the middle div block overlap the outside div blocks. The normal stacking order here is that the first one is on the bottom; the second one is above that, and the third is above that.

Let's select the middle div block, which is set to relative positioning (keep in mind that z-index is only available on relative, absolute, and fixed positioning). And let's set the z-index to 1. Now it stacks on top! That's because the default z-index is zero. Keep in mind that setting the z-index to a negative value means we could lose element visibility because it'll get rendered underneath most elements.

Let's select the left one and set the z-index to 2. What's going to happen? Well, like we learned in AP Calc, 2 is greater than 1. So of course, it'll stack above. Let's select the right one. Set it to 2 as well. Or 3. Doesn't matter. It's greater than the middle div block which is set to a z-index of 1. If we set our middle guy to 4? You get the idea.

So, Z-index. We can control the stacking order of elements, with higher values stacking on top of lower values.