1 files changed, 2 insertions, 0 deletions

diff --git a/src/layouts/_container.scss b/src/layouts/_container.scss
index b567119..da1ff0c 100644
--- a/src/layouts/_container.scss
+++ b/src/layouts/_container.scss
@@ -27,6 +27,8 @@
     ), 'xs');
 
     @include iro.bem-layout(iro.props-namespace()) {
+        box-sizing: border-box;
+
         @each $size in 'narrow-125' 'narrow' 'narrow-75' {
             @include iro.bem-modifier($size) {
                 max-width:    fn.dim(--#{$size});