diff --git a/src/client/components/types/number.raw.scss b/src/client/components/types/number.raw.scss
index aa670aa..69ac1e8 100644
--- a/src/client/components/types/number.raw.scss
+++ b/src/client/components/types/number.raw.scss
@@ -13,6 +13,8 @@ input {
 
 button {
   border-left: none;
+  font-size: 0.5em;
+  flex-grow: 1;
 
   &:first-child {
     border-bottom: none;