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About how to draw hexagons in CSS3

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Jun 28, 2018 am 10:14 AM

css3hexagondraw

The following brings you a simple implementation of CSS3 drawing hexagons. The content is quite good, so I will share it with you now and give it as a reference.

Because it is very simple, let’s summarize it first: using CSS3 to draw hexagons mainly uses pseudo-classes: before and :after to draw before and after the source element. Two elements, and use the border style of css3 to turn these two elements into triangles and place them at both ends of the source element.

(Because I have worked in a biological company before, I feel that hexagons are closer to concepts such as biomolecules and genes. Including when we search for pictures of biomolecules, genes, etc. on the Internet, many of them also have hexagonal styles, so At that time, if you do some functional navigation or tags on the page, you will feel that the hexagon is closer).

The complete page effect is as shown below: (In fact, multiple hexagons are positioned like this. Of course, you can also set the colors of different hexagons, so that you can better distinguish different module functions. ).

We can propose a separate hexagon for analysis, as shown below:

After knowing the analysis idea, we You can first learn how to draw triangles. There are many examples on the Internet, but you don’t have to look for unused children’s shoes. The code and examples are also given below, as follows:

Rendering:

CSS code:

.arrow{   
              display: inline-block;   
              width:0px;   
              height: 0px;   
              border-style: solid;   
              border-width: 100px; //与padding、margin属性类似，顺序为上、右、下、左   
              border-color: red blue orange gray;　　//顺序为上、右、下、左}

HTML code:

<p class="arrow"></p>

As shown in the picture above , use the border attribute to fill the color we don’t want with a transparent color, and then we can get a certain part of the triangle. The code and picture effects are as follows.

Rendering: (The triangle on the left is what we need, the others are set to transparent colors)

CSS code:

.arrow{   
              display: inline-block;   
              width:0px;   
              height: 0px;   
              border-bottom: 100px solid transparent;　　//设置透明色   
              border-top: 100px solid transparent;　　　//设置透明色   
              border-right: 100px solid transparent;　　//设置透明色   
              border-left: 100px solid gray;   
          }

HTML code:

<p class="arrow"></p>

Okay. Now that we know how to draw a triangle, we can use the CSS pseudo-classes :before and :after to complete the hexagon we want to draw.

: before is to insert content in front of the element

: after is to insert content after the element

If we want to insert some textual content, we can enter the text that needs to be displayed in its content attribute, such as content: "HELLO WORLD", but our example does not need to display additional information. We just need to turn the two pseudo-elements before and after into triangles and place them in fixed positions.

The complete code is given as follows:

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style type="text/css">
     .sharp:before{   
         content:"";　　//不需要展现文字等内容,所以设置为空字符   
         width:0px;   
         border-bottom:80px solid transparent;   
         border-top:80px solid transparent;   
         border-right:40px solid #6c6;   
         position:absolute;   
         left:-40px;   
         top:0px;   
     }   
     .sharp{   
         min-width:100px;   
         height:160px;   
         background:#6c6;   
         display: inline-block;   
         position: absolute;   
         line-height: 160px;   
         color:#FFFFFF;   
         font-size: 20px;   
         text-align: center;   
     }   
     .sharp:after{   
         content:"";　　//不需要展现文字等内容,所以设置为空字符   
         width:0px;   
         border-bottom:80px solid transparent;   
         border-top:80px solid transparent;   
         border-left-width:40px;   
         border-left-style: solid;   
         border-left-color:#6c6;   
         position:absolute;   
         right:-40px;   
         top:0px;   
     }   
        #sharpContainer{   
            width:100%;   
            height: 600px;   
        }   
        #sharpContainer .center{   
            top:200px;   
            left:300px;   
        }   
         #sharpContainer .top{   
             top:20px;   
             left:300px;   
         }   
         #sharpContainer .top-left{   
             top:110px;   
             left:140px;   
         }   
         #sharpContainer .top-right{   
             top:110px;   
             left:460px;   
         }   
         #sharpContainer .bottom{   
             top:380px;   
             left:300px;   
         }   
         #sharpContainer .bottom-left{   
             top:290px;   
             left:140px;   
         }   
         #sharpContainer .bottom-right{   
             top:290px;   
             left:460px;   
         }   
    </style>
</head>
<body>
<p id="sharpContainer">
    <p class="sharp center">
    </p>
    <p class="sharp top">
    </p>
    <p class="sharp top-left">
    </p>
    <p class="sharp top-right">
    </p>
    <p class="sharp bottom">
    </p>
    <p class="sharp bottom-left">
    </p>
    <p class="sharp bottom-right">
    </p>
</p>
</body>
</html>

Hexagon drawing is actually a very simple effect, as long as we understand how to draw triangles and use:before,:after Pseudo-class style is enough. In the future, we can add more irregular graphics to the project

The above is the entire content of this article. I hope it will be helpful to everyone's learning. For more related content, please pay attention to the PHP Chinese website !

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