diff --git a/public/index.html b/public/index.html
index 9f5ba11..bbf1d7e 100644
--- a/public/index.html
+++ b/public/index.html
@@ -92,9 +92,7 @@
                           stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
                 </svg>
                         </span>
-                            <button id="decreaseFloorNum">-</button>
-                            <input type="text" id="numFullFloors" value="3" readonly>
-                            <button id="increaseFloorNum">+</button>
+                            <input type="number" id="numFullFloors" value="3" step="1">
                         </div>
 
                         <div class="column">
diff --git a/src/index.js b/src/index.js
index 64e3014..999fc66 100644
--- a/src/index.js
+++ b/src/index.js
@@ -212,13 +212,6 @@ class Dimensions {
 // DOCUMENT INTERACTION //
 //////////////////////////
 
-const inputDecreaseFloorNum = document.getElementById("decreaseFloorNum");
-inputDecreaseFloorNum.onclick = decreaseFloorNum;
-
-const inputIncreaseFloorNum = document.getElementById("increaseFloorNum");
-inputIncreaseFloorNum.onclick = increaseFloorNum;
-
-
 const inputWidth = document.getElementById("width");
 inputWidth.onchange = updateViaManualMeasurements;
 const inputDepth = document.getElementById("depth");
@@ -228,17 +221,19 @@ inputHeight.onchange = updateViaManualMeasurements;
 
 
 
-var labelNumRats = document.getElementById("labelNumRats");
+let labelNumRats = document.getElementById("labelNumRats");
 
-var ratSlider = document.getElementById("numRats");
+let ratSlider = document.getElementById("numRats");
 
 ratSlider.oninput = function () {
     update();
 }
 
 // Full floor functions
-var fullFloorNum = document.getElementById("numFullFloors");
-
+let fullFloorNum = document.getElementById("numFullFloors");
+fullFloorNum.oninput = function () {
+    update();
+}
 
 function getResultFromChecks(checks) {
     if (Object.keys(checks).length > 0) {
@@ -277,21 +272,3 @@ function update() {
     resultsDiv.innerHTML = "";
     resultsDiv.appendChild(result);
 }
-
-
-function decreaseFloorNum() {
-    var input = document.getElementById('numFullFloors');
-    var value = parseInt(input.value);
-    if (value > 0) {
-        input.value = value - 1;
-    }
-    update();
-}
-
-function increaseFloorNum() {
-    var input = document.getElementById('numFullFloors');
-    var value = parseInt(input.value);
-    input.value = value + 1;
-    update();
-}
-