diff --git a/site/theme/static/preview-img.less b/site/theme/static/preview-img.less
index 70c6cba653..e5245d781d 100644
--- a/site/theme/static/preview-img.less
+++ b/site/theme/static/preview-img.less
@@ -1,4 +1,5 @@
 .preview-image-boxes {
+  display: flex;
   float: right;
   margin: 0 0 70px 64px;
   width: 496px;
@@ -22,6 +23,10 @@
   float: left;
 }
 
+.preview-image-box + .preview-image-box {
+  margin-left: 24px;
+}
+
 .preview-image-wrapper {
   background: #f7f7f7;
   padding: 16px;