Index: frontend/src/components/SubjectCatalog/SubjectCard.tsx
===================================================================
--- frontend/src/components/SubjectCatalog/SubjectCard.tsx	(revision a3384cce06e5615e17309bd78270f6882f6837b8)
+++ frontend/src/components/SubjectCatalog/SubjectCard.tsx	(revision 8a1d56855b0d3a6033e142e208a80ad5148ab3e5)
@@ -67,6 +67,9 @@
 							className="flex items-center px-3 py-2 bg-blue-600 hover:bg-blue-900 text-white text-sm font-medium rounded-md transition-colors"
 						>
-							<img src="src/assets/open.svg" className="w-4 h-4 mr-1" />
-							Отвори предмет
+							<img
+								src="src/assets/open.svg"
+								className="w-4 h-4 xs:mr-0 sm:mr-1"
+							/>
+							<span className="hidden xs:inline">Отвори предмет</span>
 						</button>
 					</div>
Index: frontend/tailwind.config.cjs
===================================================================
--- frontend/tailwind.config.cjs	(revision a3384cce06e5615e17309bd78270f6882f6837b8)
+++ frontend/tailwind.config.cjs	(revision 8a1d56855b0d3a6033e142e208a80ad5148ab3e5)
@@ -13,4 +13,7 @@
 				},
 			},
+			screens: {
+				xs: "480px",
+			},
 		},
 	},