diff --git a/app.py b/app.py
index 1ac27ce..133df03 100644
--- a/app.py
+++ b/app.py
@@ -198,7 +198,8 @@ def index():
   # initialize objects
   pio.templates.default = 'plotly_dark'
   ELM['fig'] = prs.FigureResampler(pgo.Figure()).set_subplots(
-    rows=2, cols=1, specs = [[{'t': 0.0}], [{}]], shared_xaxes=True,
+    rows=2, cols=1, row_heights=[0.7, 0.3],
+    specs = [[{'t': 0.0}], [{}]], shared_xaxes=True,
     vertical_spacing=0.025)
 
   # render header
@@ -280,6 +281,12 @@ def index():
     yaxis2_title='Power, %',
     yaxis2_range=[0, 100],
     xaxis2_title='Time',
+    legend={
+      'orientation': 'h',
+      'xanchor': 'left',
+      'yanchor': 'bottom',
+      'y': 1.01,
+    },
   )
   ELM['fig'].update_yaxes(
     row=1, col=1, range=[ELM['number_temp_min'].value, ELM['number_temp_max'].value],