Draw graphics with css

Preface: Finally my freshman year is over, and the happy summer vacation is ushering in. Everyone has started their own busy work. I have been busy with some projects, and finally decided to update a blog today to briefly summarize the learning in the previous stage.

This time I mainly summarize the techniques of drawing various shapes with CSS, and at the same time, combine before, after pseudo-elements and positioning to create some effects.

　Triangle Up(Upward triangle)

1 #triangle-up{2　   width: 0;3     height:0;4     border-left:50px solid transparent;5     border-right: 50px solid transparent;6     border-bottom: 70px solid #81cfa2;7  }

　Triangle Down( Downward triangle)

1 #triangle-down {2      width: 0;3      height: 0;4      border-left: 50px solid transparent;5      border-right: 50px solid transparent;6      border-top: 70px solid #81cfa2;7  }

　Triangle Left(Leftward triangle)

#triangle-left{
       width: 0;
       height:0;
       border-right: 70px solid #81cfa2;
       border-top: 50px solid transparent;
       border-bottom:50px solid transparent;
}

　Triangle TopRight(the triangle going up to the right)

#triangle-topright {
      width: 0;
      height: 0;
      border-top: 100px solid #81cfa2;
      border-left: 100px solid transparent;
}

The implementation of triangles is relatively simple. You can get some other triangles in the same way. To draw triangles, the main method is to set the width and height to 0, and then use transparent to set other parts to be transparent.

But you must learn to combine before and after pseudo-elements and positioning to create some combination effects in your own projects, such as a project for the Oppo community I am working on (there are some problems with my Gif-making software)

 1 .search:before { 2     border-bottom-color: #000 !important; 3     top: -11px; 4 } 5 .search:after, .search:before { 6     width: 0; 7     height: 0; 8     content: ''; 9     border-style: dashed dashed solid;10     border-color: transparent transparent #fff;11     border-width: 0 10px 10px;12     overflow: hidden;13     position: absolute;14     top: -10px;15     right: 10px;16 }

okaychen

But one thing worth noting is that IE6 does not support the transparent attribute, but we can set the corresponding transparent border The border-style attribute is dotted or dashed to solve this problem.

 1 #talkBubble{ 2     width: 120px; 3     height: 80px; 4     background: #81cfa2; 5     position: relative; 6     border-radius: 10px; 7     -webkit-border-radius: 10px; 8     -moz-border-radius: 10px; 9 }10 #talkBubble:before{11     content: "";12     position: absolute;13     right: 100%;14     top: 26px;15     width: 0;16     height: 0;17     border-top: 13px solid transparent;18     border-right: 26px solid #81cfa2;19     border-bottom: 13px solid transparent;20 }

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 1 #Heart { 2         position: relative; 3         width: 100%; 4         height: 90px; 5     } 6      7     #Heart:before, 8     #Heart:after { 9         content: "";10         position: absolute;11         left: 50px;12         top: 0;13         width: 50px;14         height: 80px;15         background: #FE4C40;16         -moz-border-radius: 50px 50px 0 0;17         border-radius: 50px 50px 0 0;18         -webkit-transform: rotate(-45deg);19         -moz-transform: rotate(-45deg);20         transform: rotate(-45deg);21         -webkit-transform-origin: 0 100%;22         -moz-transform-origin: 0 100%;23         transform-origin: 0 100%;24     }25     26     #Heart:after {27         left: 0;28         -webkit-transform: rotate(45deg);29         -moz-transform: rotate(45deg);30         transform: rotate(45deg);31         -webkit-transform-origin: 100% 100%;32         -moz-transform-origin: 100% 100%;33         transform-origin: 100% 100%;34     }

CSS can draw many shapes that you can’t think of. Mastering some commonly used CSS graphics drawing techniques will allow you to work with ease in the project.

In the next stage, I will still focus on learning node, and I will not be impatient: I hope I will be able to summarize a node blog this summer, instead of just a large piece of notes on makedown.

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