Fix minor display issues with input quantities

src/scss/templates/inventory_table.scss

@@ -14,20 +14,6 @@ All rights reserved.
             vertical-align: middle;
         }
 
-        td.quantity {
-            position: relative;
-            width: 2.4em;
-
-            input {
-                position: absolute; top: 50%; height: $font-size-small; width: 100%;
-                @include transform(translateY(-50%));
-                border-radius: 0.75em;
-                margin: 0 auto;
-                text-align: center;
-                max-width: 2.8em;
-            }
-        }
-
         td.name {
             text-align: left;
             padding-right: 1em;

src/scss/templates/stack.scss

@@ -14,7 +14,7 @@ All rights reserved.
 
     td.quantity {
         position: relative;
-        width: 4em;
+        width: 5em;
 
         input {
             position: absolute; top: 50%; height: $font-size-small; width: 100%;