수정2...

src/components/todo/ListComponent.vue

@@ -88,15 +88,15 @@
       <!-- Column별 Filter용 -->
       <template #thead-top>
         <b-tr>
-          <b-td colspan="4"> </b-td>
-          <b-td variant="primary"
+          <b-th colspan="4"> </b-th>
+          <b-th
             ><b-form-select
               v-model="filterIsDone"
               :options="filterIsDoneFieldOptions"
               @change="isDoneClick"
             ></b-form-select
-          ></b-td>
-          <b-td></b-td>
+          ></b-th>
+          <b-th></b-th>
         </b-tr>
       </template>
       <!-- 비/선택 Row를 토글용 -->
@@ -175,7 +175,11 @@ export default {
     return {
       rows: [],
       fields: [
-        { key: 'rowSelect', label: '✓', thStyle: { width: '55px' } },
+        {
+          key: 'rowSelect',
+          label: '✓',
+          thStyle: { width: '55px', backgroundColor: 'yellow' }
+        },
         {
           key: 'id',
           label: '번호',