Revert "remove miss"

This reverts commit 32477859d6dfe486692a631c3f036ed84bb2e400.

src/client/styles/scss/_override-bootstrap-variables.scss

@@ -103,3 +103,7 @@ $progress-height: 4px;
 $progress-border-radius: 0;
 $progress-bg: #f0f0f0;
 $progress-box-shadow: none;
+
+//== Custom Checkbox
+$custom-checkbox-indicator-border-radius: 0px;
+$custom-control-indicator-focus-box-shadow: none;