fix style

src/features/OnlineExam/Examing/UploadPhotos.vue

@@ -167,7 +167,11 @@ function prepareUpload() {
           class="demo-upload-list plus"
           @click="prepareUpload"
         >
-          <span class="tw-inline-block" style="scale: 4">+</span>
+          <span
+            class="tw-inline-block"
+            style="transform: scale(4); padding-bottom: 2px"
+            >+</span
+          >
         </div>
       </template>
     </draggable>