add arrow icon

assets/style/index.less

@@ -106,13 +106,20 @@
                 background: #FFF6CA;
             }
             .btn-rule{
-                width: 90px;
+                width: 110px;
                 height: 15px;
                 font-size:15px;
                 color:rgba(255,255,255,1);
                 line-height:15px;
                 margin: 0 auto;
                 padding: 16.5px 0 1.5px 0;
+                img{
+                    width: 7px;
+                    height: 12px;
+                    display: inline;
+                    vertical-align: middle;
+                    padding-left: 5px;
+                }
             }
         }
     }

pages/prehot.vue

@@ -48,7 +48,7 @@
           <p>公布个人获奖名单和机构获奖名单</p>
         </section>
         <div class="line"></div>
-        <div @click="ruleLink" class="btn-rule">查看规则详情</div>
+        <div @click="ruleLink" class="btn-rule">查看规则详情<img src="../assets/img/arrw.png"></div>
       </div>
       <img class="bird" src="../assets/img/bird.png">
     </div>