improve sidebar

src/App.js

@@ -105,7 +105,6 @@ class App extends Component {
                 <Sidebar do_close={()=>{
                     this.setState({
                         sidebar_title: null,
-                        sidebar_content: null,
                     });
                 }} content={this.state.sidebar_content} title={this.state.sidebar_title} />
             </TokenCtx.Provider>

src/Sidebar.css

@@ -16,7 +16,8 @@
     pointer-events: initial;
 }
 .sidebar-on .sidebar-shadow:active {
-    opacity: .6;
+    opacity: .5;
+    transition: unset;
 }
 
 .sidebar {