task image verkleinder

math-tutor/frontend/src/styles/theme.css

@@ -281,9 +281,8 @@ body {
 
 .task-image {
   display: block;
-  width: 100%;
-  max-width: 100%;
-  height: auto;
+  width: auto;
+  height: 30vh;
   border-radius: 8px;
   object-fit: contain;
 }