How to create a triangle in CSS?-CSS Tutorial-php.cn

Home

Web Front-end

CSS Tutorial

How to create a triangle in CSS?

王林

Sep 01, 2023 am 09:33 AM

How to create a triangle in CSS?

Triangles are basic shapes in geometry that can be used to create a variety of designs in web development. In CSS, you can create triangles using some simple techniques. In this article, we will learn two techniques for creating triangles in CSS.

Create triangles using borders
Create triangles using clipping paths

Create triangles using borders

The easiest way to create triangles in CSS is to use the border property. We can quickly create a basic triangular shape by creating a rectangular element and then using the border property to create the hypotenuse of the triangle. Here is an example of how to create an equilateral triangle using borders -

Example 1

Use the border property to create an equilateral triangle in CSS.

<html>
<head>
   <style>
      body{
         text-align:center;
      }
      .triangle {
         margin:auto;
         width: 0;
         height: 0;
         border-bottom: 100px solid red;
         border-left: 50px solid transparent;
         border-right: 50px solid transparent;
      }
   </style>
</head>
   <body>
      <h3 id="Equilateral-Triangle-Example-Using-Border-Property">Equilateral Triangle Example Using Border Property</h3>
      <div class="triangle"></div>
   </body>
</html>

In the above example, we created a div with class .triangle and set the width and height of the element to 0 because we will use the border property to create the triangle. We set the border-bottom property to create the base of the triangle, and the border-left and border-right properties to create the slanted edge. By setting the left and right borders to transparent, we create a diagonal edge that slopes toward the center of the element.

Create triangles using clipping paths

We can also create triangles in CSS using the clip-path property. This property allows us to define a custom clipping path for the element, which can be used to create various shapes, including triangles.

Example 2

Here is an example of how to use clipping paths to create a scalene triangle.

<html>
<head>
   <style>
      body {
         text-align: center;
      }
      .triangle {
         margin: auto;
         padding: 10%;
         border-radius: 2%;
         width: 10%;
         box-shadow: inset 0 0 80px violet;
         clip-path: polygon(50% 0, 100% 100%, 0% 100%);
      }
   </style>
</head>
   <body>
      <h3 id="Equilateral-Triangle-Example-Using-Border-Property">Equilateral Triangle Example Using Border Property</h3>
      <div class="triangle"></div>
   </body>
</html>

In the above example, we created a div of class .triangle and set the width and height of the element to 0 because we will use the border and Clip-path properties to create the triangle. We set the border-radius property to create a slanted edge, and then use the Clip-path property to clip the rectangular element into a triangle by specifying the coordinates of the three vertices. The Polygon function takes as argument a list of x,y coordinates, with each point separated by commas.

in conclusion

Creating triangles in HTML and CSS is a valuable skill for web developers. By using the border and clipping path properties, we can quickly create basic equilateral and scalene triangles to enhance the visual design of a web page.

The above is the detailed content of How to create a triangle in CSS?. For more information, please follow other related articles on the PHP Chinese website!

Statement

This article is reproduced at:tutorialspoint. If there is any infringement, please contact admin@php.cn delete

Demystifying Screen Readers: Accessible Forms & Best PracticesMar 08, 2025 am 09:45 AM

This is the 3rd post in a small series we did on form accessibility. If you missed the second post, check out "Managing User Focus with :focus-visible". In

Adding Box Shadows to WordPress Blocks and ElementsMar 09, 2025 pm 12:53 PM

The CSS box-shadow and outline properties gained theme.json support in WordPress 6.1. Let's look at a few examples of how it works in real themes, and what options we have to apply these styles to WordPress blocks and elements.

Working With GraphQL CachingMar 19, 2025 am 09:36 AM

If you’ve recently started working with GraphQL, or reviewed its pros and cons, you’ve no doubt heard things like “GraphQL doesn’t support caching” or

Making Your First Custom Svelte TransitionMar 15, 2025 am 11:08 AM

The Svelte transition API provides a way to animate components when they enter or leave the document, including custom Svelte transitions.

Classy and Cool Custom CSS Scrollbars: A ShowcaseMar 10, 2025 am 11:37 AM

In this article we will be diving into the world of scrollbars. I know, it doesn’t sound too glamorous, but trust me, a well-designed page goes hand-in-hand

Show, Don't TellMar 16, 2025 am 11:49 AM

How much time do you spend designing the content presentation for your websites? When you write a new blog post or create a new page, are you thinking about

Building an Ethereum app using Redwood.js and FaunaMar 28, 2025 am 09:18 AM

With the recent climb of Bitcoin’s price over 20k $USD, and to it recently breaking 30k, I thought it’s worth taking a deep dive back into creating Ethereum