feat(compo):确定组件的样式如何定义。

src/components/WindowMoveHandler/WindowMoveHandler.tsx

@@ -1,15 +1,15 @@
 import { css } from "@emotion/react";
 import styled from "@emotion/styled";
 
-const Handler = styled.div(
-  ({ theme }) => css`
-    position: fixed;
-    top: 0;
-    left: 0;
-    right: 0;
-    height: ${theme.spacings.xxs * 24}px;
-    z-index: 1;
-  `
+const Handler = styled.div(({ theme }) =>
+  css({
+    position: "fixed",
+    top: 0,
+    left: 0,
+    right: 0,
+    height: theme.spacings.xxs * 24,
+    zIndex: 1,
+  })
 );
 
 export function WindowMoveHandler() {