---
title: "Css Three Icon | Free Download PNG & SVG | Flex Duo"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/css-three--24587
canonical_url: "https://www.streamlinehq.com/icons/download/css-three--24587"
summary: "Rounded duotone icon of a shield containing a stylized CSS mark. Used for CSS, web development, and frontend tools."
---

# Css Three icon

The Css Three icon shows a rounded shield containing a stylized, angular CSS mark. Drawn in the duotone style on a 14px grid with a 1px stroke for clear, fluid forms. Use it for CSS documentation, web development tools, frontend interfaces, and coding education. It belongs to Flex Duo set in the Flex family.

## Preview

![Rounded duotone icon of a shield containing a stylized CSS mark. Used for CSS, web development, and frontend tools.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/script/css-three-xeu5wccon1ac7ucs2sgf0s.png/css-three-p7uv1p4lihf4ldrcb435n.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Css Three
- **Type**: Icon
- **Set**: [Flex Duo](/icons/flex-duo.md) — Flex is all about the curves. Its smooth curves brings fluidity and dynamism to your designs with a modern appeal. The Duo style is perfect for projects that require differentiation between actions, using color to convey meaning effectively. It also allows you to customize the line thickness. All Flex Duo icons are designed on a 14px grid with a 1px default stroke and two customizable colors.
- **Family**: [Flex](/icons/flex.md) — Fluid icons
- **Style**: Duo, Filled, Stroke
- **Category**: Programming › Script
- **Default size**: 14px
- **Stroke width**: 1px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: css, three, shield, secure, security, protection, symbol, badge, defense, technology, guard, code, programming, language, html

## Download

- [Download Css Three on Streamline](https://www.streamlinehq.com/icons/download/css-three--24587)

## Also available in other styles

- [Css Three — Flex Line](/icons/download/css-three--24435.md) (Pro)
- [Css Three — Flex Remix](/icons/download/css-three--28587.md) (Pro)
- [Css Three — Flex Gradient](/icons/download/css-three--27740.md) (Pro)
- [Css Three — Flex Flat](/icons/download/css-three--24748.md) (Pro)
- [Css Three — Flex Neon](/icons/download/css-three--30262.md) (Pro)
- [Css Three — Flex Pop](/icons/download/css-three--31241.md) (Pro)
- [Css Three — Flex Solid](/icons/download/css-three--24275.md) (Pro)

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