Further improvements to the print stylesheet

src/pretix/static/pretixpresale/scss/_print.scss

@@ -26,7 +26,7 @@
     width: 50%;
   }
   .cart-row.has-downloads .product {
-    width: percentage((9 / $grid-columns));
+    width: 80%;
   }
   .cart-row .count {
     width: 10%;
@@ -42,9 +42,12 @@
     display: none;
   }
   @media(max-width: $screen-sm-max) {
-    .cart-row.has-downloads .product {
+    .cart-row .product {
       width: 50%;
     }
+    .cart-row.has-downloads .product {
+      width: 80%;
+    }
   }
   @media (min-width: $screen-sm-min) {
     .dl-horizontal dt {
@@ -59,4 +62,4 @@
     @include make-grid(md);
     @include make-grid(lg);
   }
-}
+}