一、服务端字体
1、下载字体文件
2、使用
@font-face { font-family: fontname; src: url("./font/fontfile.ttf"); } .div { font-family: fontname; }
二、媒体查询
@media mediatype and|not|only (media feature) { CSS-Code; }
三、css函数
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style type="text/css"> :root { --myleft: 100; } .out { width: 300px; height: 300px; background: red; position: relative; --mytop: 100; } .out:before { content: ""; width: 100px; height: 100px; background: green; position: absolute; top: calc(var(--mytop) * 1px); left: calc(var(--myleft) * 1px); } </style> </head> <body> <div class="out"></div> </body> </html>
