use space more efficiently on wide screens

src/gui/options/hotkeySettings.css

 div.hotkey-settings {
     display: grid;
-    grid-template-columns: max-content max-content max-content max-content;
+    grid-template-columns: repeat(3, max-content) auto;
+}
+
+@media only screen and (min-width: 1600px) {
+    div.hotkey-settings {
+        grid-template-columns: repeat(3, max-content) auto repeat(3, max-content) auto;
+    }
 }
 
 div.hotkey-settings div.description {
@@ -16,6 +22,7 @@ div.hotkey-settings button {
     border-width: 2px;
     background-color: var(--button-color);
     border-color: var(--button-border-color);
+    width: 70px;
 }
 
 div.hotkey-settings button.combination {