How to use CSS to achieve Chinese knot effect (code)

Source: Internet
Author: User
This article brings you the content is about how to use CSS to achieve Chinese knot effect (code), there is a certain reference value, the need for friends can refer to, I hope to help you.





Today, I would like to share with you a tutorial on using CSS to draw Chinese knots.
The final effect is as follows:





First of all, we define the structure needed to draw the Chinese knot:


<div class="knot">

    <span class="box"></span>

    <span class="box"></span>

    <span class="box"></span>

    <span class="box"></span>

</div>


Then start writing the style and let the Chinese Knot center the display:


body {

  margin: 0;

  padding: 0;

  height: 100vh;

  display: flex;

  align-items: center;

  justify-content: center;

}


Set the container style for Chinese knots:


.knot {

  box-sizing: border-box;

  font-size: 100px;

  width: 2em;

  height: 1.6em;

  background: skyblue;

  display: flex;

  align-items: center;

  justify-content: center;

}


I split the base style of the Chinese knot into 4 rectangles, first defining the basic style of the rectangle:


.box {

  position: absolute;

  box-sizing: border-box;

  width: 1em;

  height: 0.4em;

  border: var(--b) solid firebrick;

  --b: 0.1em;

}


Then we'll adjust the style of each rectangle and combine them into the base of the knot:


.knot .box:nth-child(1) {

  transform: rotate(45deg) translate(-15%, -38%);

  border-radius: 20% 0% 0% 20% / 50% 0 0 50%;

}

 

.knot .box:nth-child(2) {

  transform: rotate(45deg) translate(15%, 37%);

  border-radius: 0% 20% 20% 0% / 0% 50% 50% 0%;

}

 

.knot .box:nth-child(3) {

  transform: rotate(-45deg) translate(15%, -38%);

  border-radius: 0% 20% 20% 0% / 0% 50% 50% 0%;

}

 

.knot .box:nth-child(4) {

  transform: rotate(-45deg) translate(-15%, 37%);

  border-radius: 20% 0% 0% 20% / 50% 0 0 50%;

}


Finally, we use the pseudo-elements of the first and second rectangles to draw the remaining two small circles:


.knot .box:nth-child(1)::after {

  box-sizing: border-box;

  content: '';

  position: absolute;

  width: 0.4em;

  height: 0.4em;

  border: var(--b) solid firebrick;

  border-radius: 50% 50% 50% 0%;

  top: -0.4em;

  right: -0.4em;

}

 

.knot .box:nth-child(2)::after {

  box-sizing: border-box;

  content: '';

  position: absolute;

  width: 0.4em;

  height: 0.4em;

  border: var(--b) solid firebrick;

  border-radius: 50% 0% 50% 50%;

  top: 0.2em;

  right: 0.8em;

}
Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.