codesandboxもう一つ追加

RRRyoma · RRRyoma · commit e69c4b1b1643 · 2023-10-21T13:12:13.000+09:00
diff --git a/docs/1-trial-session/12-css/index.md b/docs/1-trial-session/12-css/index.md
@@ -183,6 +183,7 @@ CSS の<Term type="cssProperty">プロパティ</Term>には `color` (文字色)
   background-color: black;
 }
 ```
+<ViewSource url={import.meta.url} path="_samples/yellow-hello-css" />
 
 </Answer>
 

Original file line number	Diff line number	Diff line change
@@ -183,6 +183,7 @@ CSS の<Term type="cssProperty">プロパティ</Term>には `color` (文字色)
`183`	`183`	`background-color: black;`
`184`	`184`	`}`
`185`	`185`	```
	`186`	`+<ViewSource url={import.meta.url} path="_samples/yellow-hello-css" />`
`186`	`187`
`187`	`188`	`</Answer>`
`188`	`189`