1 files changed, 1 insertions, 0 deletions

diff --git a/src/objects/_lightbox.scss b/src/objects/_lightbox.scss
index 14aa302..bc6af03 100644
--- a/src/objects/_lightbox.scss
+++ b/src/objects/_lightbox.scss
@@ -51,6 +51,7 @@
         grid-template-areas:   'header close' 'content content' 'footer footer';
         gap:                   fn.dim(--spacing);
         position:              relative;
+        box-sizing:            border-box;
         height:                100%;
         padding:               fn.dim(--pad);