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How to write arrow using css3

藏色散人Original: 2021-01-04 10:17:373939browse

How to write arrows with CSS3: First create a front-end sample file; then use the transform property in CSS3 to implement a small square filled with no background; finally, you can achieve the arrow effect by setting its border and flipping.

The operating environment of this tutorial: Dell G3 computer, Windows 7 system, HTML5&&CSS3 version.

Recommended: "css video tutorial"

How to write arrows with css3?

You can use the transform attribute in CSS3 to first implement a small square filled with no background, set its border, and flip it to realize the arrow.

Let’s take a look at the example below:

<style>
        .left{
            width: 7px;
            height: 7px;
            border-top: 2px solid #ff0000;
            border-right: 2px solid #ff0000;
            transform: rotate(-135deg);
            
        }
        .right{
            width: 7px;
            height: 7px;
            border-top: 2px solid #ff0000;
            border-right: 2px solid #ff0000;
            transform: rotate(45deg);
        }
        .top{
            width: 7px;
            height: 7px;
            border-top: 2px solid #ff0000;
            border-right: 2px solid #ff0000;
            transform: rotate(-45deg);
        }
        .bottom{
            width: 7px;
            height: 7px;
            border-top: 2px solid #ff0000;
            border-right: 2px solid #ff0000;
            transform: rotate(135deg);
        }
    </style>
</head>
<body>
    <div class="left"></div>
    <hr>
    <div class="right"></div>
    <hr>
    <div class="top"></div>
    <hr>
    <div class="bottom"></div>
</body>

Rendering:

How to write arrow using css3

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