uploadkorea

<div id="app">
  <v-app>
    <v-container>
      <v-row justify="center">
        <v-col cols="auto">
          <v-btn>button</v-btn>
        </v-col>
        <v-spacer></v-spacer>
        <v-col cols="auto">
          <v-btn>button</v-btn>