diff --git a/src/components/FormField.vue b/src/components/FormField.vue
deleted file mode 100644
index b872bb2..0000000
--- a/src/components/FormField.vue
+++ /dev/null
@@ -1,9 +0,0 @@
-<template>
-  <div class="form-field" v-if="type === 'checkbox'">
-    <label>{{ name }}
-      <input type="checkbox" name="{{ name }}">
-    </label>
-  </div>
-  <div class="form-field" v-else-if="type === ''">
-  </div>
-</template>
diff --git a/src/components/MenuRow.vue b/src/components/MenuRow.vue
index 66567c5..65579fd 100644
--- a/src/components/MenuRow.vue
+++ b/src/components/MenuRow.vue
@@ -38,7 +38,12 @@ export default {
     cursor: pointer;
     border: 2px solid darkgrey;
     margin: 0 0 10px 0;
-  }
+}
+
+select {
+    margin-top: 10px;
+    padding: 5px;
+}
   
 input[type="button"] {
     min-width: 60px;
diff --git a/src/modules/automata.js b/src/modules/automata.js
index b146f9c..6f9454d 100644
--- a/src/modules/automata.js
+++ b/src/modules/automata.js
@@ -73,6 +73,7 @@ function conwayRules(cell, neighbors) {
 }
 
 // get the next evolution of a 2D CA initial state
+// Rules : Moore neighborhood
 function evolve2d(board, rulesFn) {
   return board.map((row, x) => row.map((cell, y) => {
     const neighbors = getCellNeighbors(board, [x, y]);