diff --git a/app/README.md b/app/README.md
new file mode 100644
index 0000000..b2bfd41
--- /dev/null
+++ b/app/README.md
@@ -0,0 +1,4 @@
+# Vývoj
+
+yarn dev v konzoli
+~ fastLinkJS v app projektu v sbt

diff --git a/app/README.md b/app/README.md
new file mode 100644
index 0000000..b2bfd41
--- /dev/null
+++ b/app/README.md
@@ -0,0 +1,4 @@
+# Vývoj
+
+yarn dev v konzoli
+~ fastLinkJS v app projektu v sbt
diff --git a/app/src/main/scala/cz/e_bs/cmi/mdr/pdb/Main.scala b/app/src/main/scala/cz/e_bs/cmi/mdr/pdb/Main.scala
index 3a149b4..d791200 100644
--- a/app/src/main/scala/cz/e_bs/cmi/mdr/pdb/Main.scala
+++ b/app/src/main/scala/cz/e_bs/cmi/mdr/pdb/Main.scala
@@ -2,12 +2,20 @@
 
 import scala.scalajs.js.annotation.JSExportTopLevel
 import scala.scalajs.js.annotation.JSExport
+import org.scalajs.dom
+import com.raquo.laminar.api.L._
 
 @JSExportTopLevel("app")
 object Main {
 
   @JSExport
   def main(args: Array[String]): Unit = {
-    org.scalajs.dom.console.log("Hello World!")
+    val appContainer = dom.document.querySelector("#app")
+    val appElement: Div = div(
+      h1("Hello"),
+      "Current time is:",
+      b("12:00")
+    )
+    val root: RootNode = render(appContainer, appElement)
   }
 }