Pointing Direction
Dimensions & Color
Base Width60px
Height / Depth50px
Triangle Color
Real-Time Preview
width: 0; height: 0; border-style: solid; border-top: 0; border-right: 30px solid transparent; border-bottom: 50px solid #3b82f6; border-left: 30px solid transparent;
How to make pure CSS triangles
- 1Select the arrow pointing direction (Top, Right, Bottom, Left).
- 2Set width, height, and color parameters.
- 3Copy the minimal CSS snippet including width: 0 and height: 0.
Zero-HTTP Request UI Carets
Using CSS borders to construct geometric triangles saves network requests and scales crisply on any Retina display.
Architecture & Privacy
- Pure CSS Border Technique: Zero SVG and zero HTML canvas, guaranteed 100% lightweight performance.
- 8 Cardinal & Ordinal Directions: Full support for equilateral, isosceles, and right-angled corner triangles.
- Tooltip & Popover snippet generator: Automatically scaffolds position: absolute and content: "" rules.
- Pixel-perfect precision: Half-width transparent border calculations prevent antialiasing subpixel gaps.
Frequently Asked Questions
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