question title style update

src/views/questioncenter/AnswerDetails.vue

@@ -70,7 +70,7 @@
               <div class="info_right">
                 <div class="que_tit">
                   <div>【题文】</div>
-                  <div class="center" v-html="scope.row.title"></div>
+                  <div v-html="scope.row.title"></div>
                   <div class="fix">
                     <span>正确答案</span>
                     <span>{{ scope.row.answer1 }}</span>

src/views/questioncenter/practice-answer-detail.scss

@@ -113,10 +113,6 @@
     cursor: pointer;
   }
 
-  .center {
-    width: 1000px;
-  }
-
   .option-list {
     margin-top: 10px;
   }