Analysis of the principle of triangle implementation in css and detailed explanation of the tutorial

This article mainly introduces the principle analysis of triangle implementation in css and the specific implementation method tutorial.

I believe that everyone has seen various triangular sign prompts when browsing various websites. For example, there may be a triangular prompt sign behind the title in the navigation section, or a prompt dialog box also has a triangle image, etc. Etc., on websites, the image of the triangle logo is still relatively common.

Some friends may think that such images are made from PS pictures. Of course it can be done with PS, but in website design, the efficiency will obviously be relatively low. Below we teach you how to use a very simple css style to implement a triangle!

css border implements triangle Code example for right direction:

.demo1{
    width: 0;
    height: 0;
    border-top: 40px solid transparent;
    border-left: 40px solid #3262ff;
    border-bottom: 40px solid transparent;
}

demo1 The effect is as follows:

Do you think the code is very simple? In fact, it is not difficult to implement a triangle using CSS. As long as you master its implementation principles, you can draw inferences. The principle of implementing triangles in CSS is to first set the height value of the specified div block to 0 and the width to 0. Then add the css border attribute to this div block, and then set the border on one side to be transparent through the css style attribute to achieve a triangular image.

For example, in the above code, we set the border border for demo1 to 40 pixels on all four sides, and set the left border to have a color display, and set the transparent attribute for the rest. This attribute is also to set the transparent style! Finally, a triangular pattern appears.

So through the above introduction, everyone should understand the principles and methods of realizing triangles in CSS.

Mainly involves css knowledge points:

border attribute, used to set all border attributes.

The transparent attribute value is used to set the background color to transparent.

This article has certain reference value, I hope it will be helpful to friends in need!

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