1 files changed, 1 insertions, 0 deletions

diff --git a/src/objects/_lightbox.scss b/src/objects/_lightbox.scss
index 8b51d4b..8ad8584 100644
--- a/src/objects/_lightbox.scss
+++ b/src/objects/_lightbox.scss
@@ -106,6 +106,7 @@ $static-themes: 'black' 'white' !default;
             'footer     footer     footer';
         box-sizing:            border-box;
         min-block-size:        0;
+        flex:                  1 1 auto;
 
         @include iro.bem-elem('header') {
             grid-area:           header;