apply bst4 for buttons

src/client/js/components/Admin/Customize/CustomizeBehaviorSetting.jsx

@@ -79,7 +79,11 @@ class CustomizeBehaviorSetting extends React.Component {
           </div>
         </div>
 
-        <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+        <div className="form-group col-12 m-3">
+          <div className="offset-4 col-8">
+            <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+          </div>
+        </div>
       </React.Fragment>
     );
   }

src/client/js/components/Admin/Customize/CustomizeCssSetting.jsx

@@ -71,7 +71,11 @@ class CustomizeCssSetting extends React.Component {
           </div>
         </div>
 
-        <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+        <div className="form-group col-12 m-3">
+          <div className="offset-4 col-8">
+            <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+          </div>
+        </div>
       </React.Fragment>
     );
   }

src/client/js/components/Admin/Customize/CustomizeFunctionSetting.jsx

@@ -138,7 +138,11 @@ class CustomizeBehaviorSetting extends React.Component {
           </div>
         </div>
 
-        <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+        <div className="form-group col-12 m-3">
+          <div className="offset-4 col-8">
+            <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+          </div>
+        </div>
       </React.Fragment>
     );
   }

src/client/js/components/Admin/Customize/CustomizeHeaderSetting.jsx

@@ -80,7 +80,11 @@ class CustomizeHeaderSetting extends React.Component {
           </p>
         </div>
 
-        <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+        <div className="form-group col-12 m-3">
+          <div className="offset-4 col-8">
+            <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+          </div>
+        </div>
       </React.Fragment>
     );
   }

src/client/js/components/Admin/Customize/CustomizeHighlightSetting.jsx

@@ -123,7 +123,11 @@ class CustomizeHighlightSetting extends React.Component {
           </div>
         </div>
 
-        <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+        <div className="form-group col-12 m-3">
+          <div className="offset-4 col-8">
+            <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+          </div>
+        </div>
       </React.Fragment>
     );
   }

src/client/js/components/Admin/Customize/CustomizeLayoutSetting.jsx

@@ -59,7 +59,11 @@ class CustomizeLayoutSetting extends React.Component {
         <h2 className="admin-setting-header">{t('customize_page.Theme')}</h2>
         {this.renderDevAlert()}
         <CustomizeThemeOptions />
-        <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+        <div className="form-group col-12 m-3">
+          <div className="offset-4 col-8">
+            <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+          </div>
+        </div>
       </React.Fragment>
     );
   }

src/client/js/components/Admin/Customize/CustomizeScriptSetting.jsx

@@ -102,7 +102,11 @@ class CustomizeScriptSetting extends React.Component {
           </div>
         </div>
 
-        <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+        <div className="form-group col-12 m-3">
+          <div className="offset-4 col-8">
+            <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+          </div>
+        </div>
       </React.Fragment>
     );
   }

src/client/js/components/Admin/Customize/CustomizeTitle.jsx

@@ -59,7 +59,11 @@ class CustomizeTitle extends React.Component {
           />
         </div>
 
-        <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+        <div className="form-group col-12 m-3">
+          <div className="offset-4 col-8">
+            <AdminUpdateButtonRow onClick={this.onClickSubmit} disabled={adminCustomizeContainer.state.retrieveError != null} />
+          </div>
+        </div>
       </React.Fragment>
     );
   }