fix: button format:neckbeard:

Author: bieshan

pages/index.js

@@ -8,7 +8,6 @@ import Notice from "../components/notice";
 import UploadButton from "../components/uploadButton";
 import TagField from "../components/tagField";
 import TranscriptField from "../components/transcriptField";
-import {Android} from "@material-ui/icons";
 
 const Home = () => {
   // 音声認識インスタンス
@@ -151,11 +150,11 @@ const Home = () => {
         </Grid>
         <Box m={2}>
           <Grid container alignItems="center" justify="center">
-            <Grid item xs={2}>
+            <Grid item>
               <Button
                 variant="outlined"
                 disabled={detecting}
-                color="primary"
+                color="secondary"
                 size="large"
                 onClick={() => {
                   recognizerRef.current.start();