Adjust production view to existing views and fix typo in month view.

public/css/layout.css

@@ -1,10 +1,11 @@
 body {
     font-family: sans-serif;
+    font-size: 1.3rem;
     display: flex;
     flex-direction: column;
 }
 
-input[type="number"] {
+input {
     font-size: 1.3rem;
 }
 
@@ -38,12 +39,14 @@ form > div {
     flex-direction: row;
 }
 
-.button {
+button, .button {
     text-align: center;
     background-color: rgb(239, 239, 239);
     border: 2px outset rgb(0, 0 , 0);
     text-decoration: none;
     color: rgb(0, 0, 0);
+    font-size: 1.3rem;
+    padding: 8px 0;
 }
 
 #chart-container {