<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> .box { width: 1px; height: 100px; background: #000; transform: scale(0.5, 1); -webkit-transform: scale(0.5, 1); } </style></head><body> <!-- 画一条0.5px的线 --> <div class="box"></div> </body></html>
