diff --git a/src/simput/RodEditor.js b/src/simput/RodEditor.js
index 0808493..9c15bdc 100644
--- a/src/simput/RodEditor.js
+++ b/src/simput/RodEditor.js
@@ -94,7 +94,7 @@ export default class RodEditor extends React.Component {
         classes: style.centeredCell,
         render: (cellName, layer) => (
           <select
-            className={style.cellSelect}
+            className={style.fullWidth}
             value={cellName}
             onChange={(e) => this.onCellChange(layer, e.target.value)}
           >
@@ -113,6 +113,7 @@ export default class RodEditor extends React.Component {
         classes: style.centeredCell,
         render: (value, layer) => (
           <input
+            className={style.fullWidth}
             type="number"
             min="0"
             step="any"
diff --git a/src/simput/RodEditor.mcss b/src/simput/RodEditor.mcss
index 7d0fc75..6d8aada 100644
--- a/src/simput/RodEditor.mcss
+++ b/src/simput/RodEditor.mcss
@@ -2,7 +2,7 @@
     text-align: center;
 }
 
-.cellSelect {
+.fullWidth {
     width: 100%;
 }