css,border,尖三角
<!DOCTYPE HTML> <html> <head> <meta charset="gbk" /> <style type="text/css"> *{margin:0;padding:0;} body{background:#000;} .artItLaCorner { width:20px; border-color: transparent #fff; border-style: solid; border-width: 8px 7px 8px 0px; margin: 4px 0px 0px 0px; } </style> </head> <body> <div class="artItLaCorner"></div> </body> </html>
其他方向的根据自己需求去改变border-width
css,border,尖三角
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