diff --git a/scss/style.scss b/scss/style.scss
index 9209686..b898fdd 100644
--- a/scss/style.scss
+++ b/scss/style.scss
@@ -203,7 +203,7 @@ h3,
 
 /* Make article images fluid */
 
-.block-field-blocknodevarbase-blogfield-media img {
+img.image-style-article-header {
     max-width: 100%;
     height: auto;
     margin: auto auto;