Add table style
diff --git a/user-book/references/xml/dubbo-application.md b/user-book/references/xml/dubbo-application.md
index 4682c41..9a9908f 100644
--- a/user-book/references/xml/dubbo-application.md
+++ b/user-book/references/xml/dubbo-application.md
@@ -1,3 +1,47 @@
+<style>
+table {
+  width: 100%;
+  max-width: 65em;
+  border: 1px solid #dedede;
+  margin: 15px auto;
+  border-collapse: collapse;
+  empty-cells: show;
+}
+table th,
+table td {
+  height: 35px;
+  border: 1px solid #dedede;
+  padding: 0 10px;
+}
+table th {
+  font-weight: bold;
+  text-align: center !important;
+  background: rgba(158,188,226,0.2);
+  white-space: nowrap;
+}
+table tbody tr:nth-child(2n) {
+  background: rgba(158,188,226,0.12);
+}
+table td:nth-child(1) {
+  white-space: nowrap;
+}
+table tr:hover {
+  background: #efefef;
+}
+.table-area {
+  overflow: auto;
+}
+</style>
+
+<script type="text/javascript">
+[].slice.call(document.querySelectorAll('table')).forEach(function(el){
+    var wrapper = document.createElement('div');
+    wrapper.className = 'table-area';
+    el.parentNode.insertBefore(wrapper, el);
+    el.parentNode.removeChild(el);
+    wrapper.appendChild(el);
+})
+</script>
 # dubbo:application
 
 应用信息配置。对应的配置类:`com.alibaba.dubbo.config.ApplicationConfig`
diff --git a/user-book/references/xml/dubbo-argument.md b/user-book/references/xml/dubbo-argument.md
index 3e4c18d..555cd37 100644
--- a/user-book/references/xml/dubbo-argument.md
+++ b/user-book/references/xml/dubbo-argument.md
@@ -1,3 +1,47 @@
+<style>
+table {
+  width: 100%;
+  max-width: 65em;
+  border: 1px solid #dedede;
+  margin: 15px auto;
+  border-collapse: collapse;
+  empty-cells: show;
+}
+table th,
+table td {
+  height: 35px;
+  border: 1px solid #dedede;
+  padding: 0 10px;
+}
+table th {
+  font-weight: bold;
+  text-align: center !important;
+  background: rgba(158,188,226,0.2);
+  white-space: nowrap;
+}
+table tbody tr:nth-child(2n) {
+  background: rgba(158,188,226,0.12);
+}
+table td:nth-child(1) {
+  white-space: nowrap;
+}
+table tr:hover {
+  background: #efefef;
+}
+.table-area {
+  overflow: auto;
+}
+</style>
+
+<script type="text/javascript">
+[].slice.call(document.querySelectorAll('table')).forEach(function(el){
+    var wrapper = document.createElement('div');
+    wrapper.className = 'table-area';
+    el.parentNode.insertBefore(wrapper, el);
+    el.parentNode.removeChild(el);
+    wrapper.appendChild(el);
+})
+</script>
 # dubbo:argument
 
 方法参数配置。对应的配置类: `com.alibaba.dubbo.config.ArgumentConfig`。该标签为 `<dubbo:method>` 的子标签,用于方法参数的特征描述,比如: 
diff --git a/user-book/references/xml/dubbo-service.md b/user-book/references/xml/dubbo-service.md
index f7dd9b3..bdd8b42 100644
--- a/user-book/references/xml/dubbo-service.md
+++ b/user-book/references/xml/dubbo-service.md
@@ -1,3 +1,47 @@
+<style>
+table {
+  width: 100%;
+  max-width: 65em;
+  border: 1px solid #dedede;
+  margin: 15px auto;
+  border-collapse: collapse;
+  empty-cells: show;
+}
+table th,
+table td {
+  height: 35px;
+  border: 1px solid #dedede;
+  padding: 0 10px;
+}
+table th {
+  font-weight: bold;
+  text-align: center !important;
+  background: rgba(158,188,226,0.2);
+  white-space: nowrap;
+}
+table tbody tr:nth-child(2n) {
+  background: rgba(158,188,226,0.12);
+}
+table td:nth-child(1) {
+  white-space: nowrap;
+}
+table tr:hover {
+  background: #efefef;
+}
+.table-area {
+  overflow: auto;
+}
+</style>
+
+<script type="text/javascript">
+[].slice.call(document.querySelectorAll('table')).forEach(function(el){
+    var wrapper = document.createElement('div');
+    wrapper.className = 'table-area';
+    el.parentNode.insertBefore(wrapper, el);
+    el.parentNode.removeChild(el);
+    wrapper.appendChild(el);
+})
+</script>
 # dubbo:service
 
 服务提供者暴露服务配置。对应的配置类:`com.alibaba.dubbo.config.ServiceConfig`