diff --git a/build/98.css b/build/98.css
index 9f0100a..9e5dd66 100644
--- a/build/98.css
+++ b/build/98.css
@@ -91,6 +91,7 @@ button {
   box-shadow: inset -1px -1px #0a0a0a,
     inset 1px 1px #ffffff, inset -2px -2px #808080,
     inset 2px 2px #dfdfdf;
+  border-radius: 0;
 
   min-width: 75px;
   min-height: 23px;
diff --git a/style.css b/style.css
index f819edd..1a2d474 100644
--- a/style.css
+++ b/style.css
@@ -93,6 +93,7 @@ button {
   border: none;
   background: var(--surface);
   box-shadow: var(--border-raised-outer), var(--border-raised-inner);
+  border-radius: 0;
 
   min-width: 75px;
   min-height: 23px;