diff --git a/app/scss/components/_input_number.scss b/app/scss/components/_input_number.scss
index be3d05d..459c5ae 100644
--- a/app/scss/components/_input_number.scss
+++ b/app/scss/components/_input_number.scss
@@ -10,6 +10,7 @@
 
   &.inline-button {
     .button {
+      height: 100%;
       background: darken($grey, 5%);
       color: $body-font-color;
       border: 1px solid $medium-gray;