android上實現0.5px線條

因爲安卓手機沒法識別border: 0.5px,所以咱們要用0.5px的話必需要藉助css3中的-webkit-transform:scale縮放來實現。css

原理:將僞元素的寬設爲200%,height設爲1px經過-webkit-transform:scale(.5)來進行縮小一倍,這樣就獲得border爲0.5的邊框html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        .div{
            width: 100%;
            height: 100px;
            border-top: 1px solid aqua;
            posititon:relative;
        }
        .div::after{
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            box-sizing: border-box;
            width: 200%;
            height: 1px;
            transform: scale(.5);
            transform-origin: 0 0;
            pointer-events: none;
            background-color: aqua;
        }
    </style>
</head>
<body>
    <div class="div"></div>
</body>
</html>Copy to clipboardErrorCopied

效果展現:css3

img

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