diff --git a/index.html b/index.html
index 1f865ac703..eec91d1f98 100644
--- a/index.html
+++ b/index.html
@@ -19,18 +19,33 @@
       height: 400px;
       border: 1px solid #8db5e4;
       margin-bottom: 16px;
+      flex: 2;
+      margin-right: 16px;
     }
 
     .container {
       margin: 0 auto;
     }
+
+    .demo__repl {
+      display: flex;
+    }
+
+    .output {
+      flex: 1;
+      border: 1px solid black;
+      padding: 8px;
+      font-size: 2rem;
+    }
   </style>
   <body>
     <div class="container">
       <img class="demo__img" src="assets/01_rust_loves_js.png" />
-      <textarea class="form-control textbox"> </textarea>
+      <div class="demo__repl">
+        <textarea class="form-control textbox"> </textarea>
+        <p class="output"></p>
+      </div>
       <button type="buttont" class="btn btn-primary">Evaluate</button>
-      <p class="output">Test</p>
     </div>
   </body>
 </html>
diff --git a/index.js b/index.js
index 9c51b6ac2f..2c16ef581b 100644
--- a/index.js
+++ b/index.js
@@ -15,6 +15,6 @@ function clickHandler(evt) {
   let t0 = performance.now();
   let result = window.evaluate(text);
   let t1 = performance.now();
-  p.textContent = `${t1 - t0}ms: ${result}`;
+  p.textContent = `> ${result}`;
   console.log(result);
 }
diff --git a/src/lib/lib.rs b/src/lib/lib.rs
index 8fd4cdc4cb..94f98f2561 100644
--- a/src/lib/lib.rs
+++ b/src/lib/lib.rs
@@ -28,6 +28,7 @@ pub fn exec(src: String) {
     let mut lexer = Lexer::new(&src);
     lexer.lex().unwrap();
     let tokens = lexer.tokens;
+    // dbg!(&tokens);
 
     // Setup executor
     let expr = Parser::new(tokens).parse_all().unwrap();
@@ -58,7 +59,7 @@ pub fn evaluate(src: &str) -> String {
         Ok(v) => {
             expr = v;
         }
-        Err(v) => {
+        Err(_v) => {
             log("parsing fail");
             return String::from("parsing failed");
         }
