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This article mainly explains "css3 how to achieve triangle with frame effect", the article explains the content is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "css3 how to achieve triangle with frame effect" bar!

Methods: 1, using the "border: length value solid transparent;border-top: height value solid color value" statement, you can set the empty element as a triangle style; 2, put small triangular elements in large triangular elements of different colors, you can achieve the effect of triangle with frame.

The operating environment of this tutorial: windows10 system, CSS3&&HTML5 version, Dell G3 computer.

How to realize the effect of triangle with frame in css3

In css, to achieve the triangle border effect, you need to make use of the border attribute.

First we need a div element with a width and height of 0, then use the border property to style the border of div, set the thickness of the border to half the length of the bottom triangle, and set the border color to transparent.

Finally, the top border of the div element is displayed through the border-top attribute.

By placing small triangular elements in large triangular elements of different colors, you can achieve the effect of triangles with borders.

Examples are as follows:

Document # demo {width: 0; height: 0; position: relative; border-top: solid 50px transparent; border-right: solid 50px black; / * Black Big Triangle * / border-bottom: solid 50px transparent;} # demo:after {content: "" Width: 0; height: 0; position: absolute; left: 3px; top:-45px; border-top: solid 45px transparent; border-right: solid 45px white; / * White Triangle * / border-bottom: solid 45px transparent;}

Output result:

Thank you for your reading, the above is the content of "css3 how to achieve triangle with frame effect". After the study of this article, I believe you have a deeper understanding of how css3 realizes the effect of triangle with frame, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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