diff --git a/cheuph/euphoria/room_widget.py b/cheuph/euphoria/room_widget.py
index 77019ab..9abc3b6 100644
--- a/cheuph/euphoria/room_widget.py
+++ b/cheuph/euphoria/room_widget.py
@@ -9,6 +9,7 @@ from ..cursor_rendering import CursorTreeRenderer
 from ..cursor_tree_widget import CursorTreeWidget
 from ..element import Message, RenderedMessage
 from ..element_supply import InMemorySupply
+from .euph_config import EuphConfig
 from ..markup import AT, AttributedText, Attributes
 from .edit_widgets import EditWidget
 from .euph_renderer import EuphRenderer
@@ -164,9 +165,12 @@ class RoomWidget(urwid.WidgetWrap):
 
     def __init__(self,
             roomname: str,
+            config: EuphConfig,
             log_amount: int = 200,
             ) -> None:
 
+        self.c = config
+
         if log_amount < 1:
             raise ValueError() # TODO add better text
         self._log_amount = log_amount
@@ -226,7 +230,7 @@ class RoomWidget(urwid.WidgetWrap):
     def _create_connecting_widget(self) -> Any:
         text = (
                 AT("Connecting to ") +
-                AT("&" + self._room.name) +
+                AT("&" + self._room.name, style=self.c.room_style) +
                 AT("...")
         )
         # Centered vertically and horizontally
@@ -235,14 +239,17 @@ class RoomWidget(urwid.WidgetWrap):
     def _create_connection_failed_widget(self) -> Any:
         text = (
                 AT("Could not connect to ") +
-                AT("&" + self._room.name) +
+                AT("&" + self._room.name, style=self.c.room_style) +
                 AT("...")
         )
         # Centered vertically and horizontally
         return urwid.Filler(ATWidget(text, align=urwid.CENTER))
 
     def _create_room_name_widget(self) -> Any:
-        return urwid.Text("&" + self._room.name, align=urwid.CENTER)
+        return urwid.Text(
+                (self.c.room_style, "&" + self._room.name),
+                align=urwid.CENTER,
+        )
 
     def _create_tree_widget(self) -> Any:
         return CursorTreeWidget(self._tree)
diff --git a/cheuph/euphoria/single_room_application.py b/cheuph/euphoria/single_room_application.py
index 801f394..59c9112 100644
--- a/cheuph/euphoria/single_room_application.py
+++ b/cheuph/euphoria/single_room_application.py
@@ -1,10 +1,15 @@
+import asyncio
+import logging
+from pathlib import Path
 from typing import Any, Optional
 
 import urwid
+import yaml
 
 from ..attributed_text_widget import ATWidget
-from ..markup import Attributes, AT
+from ..markup import AT, Attributes
 from .edit_widgets import EditWidget
+from .euph_config import EuphConfig, EuphLoader
 from .room_widget import RoomWidget
 
 __all__ = ["SingleRoomApplication"]
@@ -13,13 +18,13 @@ class ChooseRoomWidget(urwid.WidgetWrap):
 
     def __init__(self,
             room_style: Optional[str] = None,
-            error_attrs: Attributes = {},
-            error_room_attrs: Attributes = {},
+            error_style: Optional[str] = None,
+            error_room_style: Optional[str] = None,
             ) -> None:
 
         self._room_style = room_style
-        self._error_attrs = error_attrs
-        self._error_room_attrs = error_room_attrs
+        self._error_style = error_style
+        self._error_room_style = error_room_style
 
         self.error = None
         self.edit = EditWidget("Choose a room:", caption="&", style=room_style)
@@ -49,9 +54,9 @@ class ChooseRoomWidget(urwid.WidgetWrap):
         self._w = self.filler
 
     def could_not_connect(self, roomname: str) -> None:
-        text = AT("Could not connect to ", attributes=self._error_attrs)
-        text += AT("&" + roomname, attributes=self._error_room_attrs)
-        text += AT(".\n", attributes=self._error_attrs)
+        text = AT("Could not connect to ", style=self._error_style)
+        text += AT("&" + roomname, style=self._error_room_style)
+        text += AT(".\n", style=self._error_style)
 
         self.set_error(ATWidget(text, align=urwid.CENTER))
 
@@ -74,8 +79,14 @@ class SingleRoomApplication(urwid.WidgetWrap):
             "home", "end",
     }
 
-    def __init__(self) -> None:
-        self.choose_room = ChooseRoomWidget()
+    def __init__(self, config: EuphConfig) -> None:
+        self.c = config
+
+        self.choose_room = ChooseRoomWidget(
+                room_style=self.c.room_style,
+                error_style=self.c.error_style,
+                error_room_style=self.c.error_room_style,
+        )
         super().__init__(self.choose_room)
 
     def selectable(self) -> bool:
@@ -96,7 +107,7 @@ class SingleRoomApplication(urwid.WidgetWrap):
                 roomname = self.choose_room.edit.text
 
                 if roomname:
-                    room = RoomWidget(roomname)
+                    room = RoomWidget(roomname, self.c)
                     urwid.connect_signal(room, "close", self.switch_to_choose)
                     self._w = room
                     room.connect()
@@ -117,3 +128,32 @@ class SingleRoomApplication(urwid.WidgetWrap):
             return super().keypress(size, key)
 
         return key
+
+def run_single_room_application(config_file: Path) -> None:
+    logging.disable()
+
+    config_yaml: Any
+    try:
+        with open(config_file) as f:
+            config_yaml = yaml.load(f.read(), Loader=yaml.SafeLoader)
+    except FileNotFoundError:
+        config_yaml = {}
+
+    loader = EuphLoader()
+    defaults = loader.defaults()
+    config = EuphConfig(defaults)
+    loader.load_to(config, config_yaml)
+
+    loop = asyncio.get_event_loop()
+
+    main_loop = urwid.MainLoop(
+        SingleRoomApplication(config),
+        event_loop=urwid.AsyncioEventLoop(loop=loop),
+        palette=config.palette,
+    )
+
+    main_loop.run()
+
+if __name__ == "__main__":
+    config_path = Path("~/.cheuph.conf").expanduser()
+    run_single_room_application(config_path)