之前在版上看到，只要加上符号字型，就可避免网页上的符号变成替代文字
这是我目前在用的 css (stylus)
font-family: "San Francisco Display", ".苹方-简", "FontAwesome", "google-
material-icons", "Google Material Icons Regular", "Material Icons Extended", "
Material-Design-Icons", "QualcommIcon", "VideoJS", "icons101", "
AmebaNewSymbols", "videofont", "ohpOffice365Icons", "anchorjs-icons", "
consumer-icons", "tm-detail-font", "iconfont", "FabricMDL2Icons", "MWF-MDL2",
"Noto Emoji", "Arial" !important;
今天看到 google日历改版了，按 [f12] 去找字型再把它加上 stylus 的 css
但好像没有用
我找到的是 Material Icons Extended
附图如下：
启用 stylus
https://imgur.com/a/ZfmlpEW
关掉 stylus
https://imgur.com/a/3yFcemZ