style：组件删除图标样式

src/web/staticres/css/selector/selector.css

@@ -531,6 +531,8 @@
 .area-city-country .el-tag__close.el-icon-close{
   background: transparent;
   color: #aaa;
+  font-size: 15px;
+  right: -4px;
 }
 .area-city-country .el-tag__close.el-icon-close:hover {
   color: #2ABED1;