css3 linear gradient can realize triangles; just create a 45-degree linear gradient and set the gradient color to two fixed colors, one is the color of the triangle and the other is a transparent color. The syntax "linear- gradient(45deg, color value, color value 50%, transparent color 50%, transparent color 100%)".
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
In CSS3, there are many ways to implement triangles, one of which is to use linear gradients. Let’s give you a detailed introduction below.
Use linear gradientlinear-gradient
The principle of implementing a triangle is also very simple. We implement a 45°
gradient linear gradient:
div { width: 100px; height: 100px; background: linear-gradient(45deg, deeppink, yellowgreen); }
Let its color change from a gradient color to two fixed colors:
div { width: 100px; height: 100px; background: linear-gradient(45deg, deeppink, deeppink 50%, yellowgreen 50%, yellowgreen 100%); }
div { background: linear-gradient(45deg, deeppink, deeppink 50%, transparent 50%, transparent 100%); }
rotate or
scale, we can also get triangles of various angles and sizes:
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <style> html, body { width: 100%; height: 100%; display: flex; } div { width: 100px; height: 100px; margin: auto; } .rotate { background: linear-gradient(45deg, deeppink, deeppink 50%, transparent 50%, transparent 1px); } .top { background: linear-gradient(45deg, deeppink, deeppink 50%, transparent 50%, transparent 1px); transform: rotate(135deg); } .left { background: linear-gradient(45deg, deeppink, deeppink 50%, transparent 50%, transparent 1px); transform: rotate(45deg); } .bottom { background: linear-gradient(45deg, deeppink, deeppink 50%, transparent 50%, transparent 1px); transform: rotate(-45deg); } .right { background: linear-gradient(45deg, deeppink, deeppink 50%, transparent 50%, transparent 1px); transform: rotate(-135deg); } </style> </head> <body> <div></div> <div></div> <div></div> <div></div> <div></div> </body> </html>
css video tutorial, web front-end)
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