Today we will go into the examples of building html layout codes for websites using CSS Grid and Flexbox useful for web design and development!
HTML CSS Layout Examples
Responsive Flexbox Layout

You can see the results below.
See the Pen Responsive Flexbox Grid by Guus Lieben (@guuslieben) on CodePen.
CSS Grid Layout Responsive Examples

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See the Pen Percentage grid system by drus unlimited (@drus) on CodePen.
Flex Examples With Source Code

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See the Pen rVRWXw by Anna (@madebyanna) on CodePen.
Responsive Layout Examples

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See the Pen Art challenge by Ilya (@defunxe) on CodePen.
CSS Grid Responsive Columns

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See the Pen CSS Grid Layout - Basic Grid by Mozilla Developers (@mozilladevelopers) on CodePen.
CSS Grid Responsive Image
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See the Pen CSS Grid Responsive Image Gallery by Stephanie (@ramenhog) on CodePen.
CSS Grid responsive

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See the Pen CSS Grid Layout with @support flexbox fallback by Gustaf Holm (@primalivet) on CodePen.
Responsive Grid Layout Examples

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See the Pen CSS grid calendar by Mert Cukuren (@knyttneve) on CodePen.
Responsive Grid CSS HTML

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See the Pen CSS Grid Layout with grid-template-columns: repeat(); by Stacy (@stacy) on CodePen.
Responsive Image Grid Bootstrap

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See the Pen Product by Katherine Kato (@kathykato) on CodePen.
CSS Grid Menu Example

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See the Pen CSS Grid Menu Panels by Ryan Mulligan (@hexagoncircle) on CodePen.
Instagram Profile Layout

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See the Pen Instagram Profile Layout with CSS Grid & Flexbox by George W. Park (@GeorgePark) on CodePen.
CSS Grid Layout

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See the Pen CSS Grid Layout - New Terminology by Stacy (@stacy) on CodePen.
CSS Grid Layout Based Standards

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See the Pen CSS Grid Layout - Template Areas by Mozilla Developers (@mozilladevelopers) on CodePen.
Grid Layout Design Examples

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See the Pen Standard grid-based 3-column layout with 2-column option by Morten Rand-Hendriksen (@mor10) on CodePen.
CSS Grid Responsive Media Queries

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See the Pen CSS Grid Layout Demo by Stacy (@stacy) on CodePen.
CSS Grid-Template Free

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See the Pen CSS Grid Layout Demo 5 - Grid Gap by Stacy (@stacy) on CodePen.
CSS Grid Responsive Image Gallery

You can see the results below.
See the Pen Responsive CSS Grid Gallery by Jessica (@JessMadeline) on CodePen.
Flexbox Grid Layout

You can see the results below.
See the Pen YouTube Channel Layout with CSS Grid & Flexbox by George W. Park (@GeorgePark) on CodePen.
Responsive Image Gallery CSS

You can see the results below.
See the Pen CSS Grid With Image Span by Brad Traversy (@bradtraversy) on CodePen.
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Summary
I hope the article will provide you with more useful CSS Layout examples for web development and design, and if you have any questions, just send an email and I will respond as soon as possible. I hope you continue to support the site so that I can write more good articles. Have a nice day!