diff --git a/themes/quadrant/assets/css/main.css b/themes/quadrant/assets/css/main.css
index 5ca81ca..b0921dc 100644
--- a/themes/quadrant/assets/css/main.css
+++ b/themes/quadrant/assets/css/main.css
@@ -113,6 +113,7 @@ header hr, footer hr {
 
 main img {
   max-width: var(--content-width);
+  max-height: 50vh;
   box-sizing: border-box;
   border-radius: 5px;
   box-shadow: 2px 2px 10px #000;