填空题描述圆角方框样式

src/views/exercise_questions/preview/FillPreview.vue

@@ -201,10 +201,13 @@ export default {
   .description {
     display: flex;
     flex-wrap: wrap;
-    gap: 4px 24px;
+    gap: 4px 8px;
 
     &-item {
+      padding: 4px 8px;
       cursor: pointer;
+      background-color: #e9edf7;
+      border-radius: 4px;
 
       &:hover,
       &:active {

src/views/exercise_questions/preview/ListenFillPreview.vue

@@ -207,10 +207,13 @@ export default {
   .description {
     display: flex;
     flex-wrap: wrap;
-    gap: 4px 24px;
+    gap: 4px 8px;
 
     &-item {
+      padding: 4px 8px;
       cursor: pointer;
+      background-color: #e9edf7;
+      border-radius: 4px;
 
       &:hover,
       &:active {