📅  最后修改于: 2022-03-11 14:47:44.098000             🧑  作者: Mango
.css:after {
content: "\86";
color: red;
}
.css.char:after {
content: "†";
color: blue;
}
.data:after {
content: attr( data-icon );
}
.js:after {
content: attr( data-icon );
}
.red:after {
color: red;
}
.blue:after {
color: blue;
}