意见反馈优化

src/pages/my/feedback.vue

 <template>
-  <div class="feed-h" id="feed-h">
+  <div class="feed-h">
     <div class="feed-box">
       <div class="title">留下您的宝贵意见，我们会第一时间联系您</div>
       <textarea name="" id="" v-model="contentText" @blur="showBtn = true" @focus="showBtn = false"></textarea>
@@ -49,16 +49,7 @@ export default {
 }
 </script>
 <style lang="scss" scoped>
-.feed-h{
-  position: absolute;
-  top: 0;
-  left: 0;
-  width: 100%;
-  overflow: hidden;
-}
 .feed-box{
-  width: 100%;
-  height: 100%;
   padding: 0 .4rem;
   .title{
     color: #222;