diff --git a/bdikit/visualization/scope_reducing.py b/bdikit/visualization/scope_reducing.py
index c947a181..9b7183cf 100644
--- a/bdikit/visualization/scope_reducing.py
+++ b/bdikit/visualization/scope_reducing.py
@@ -386,18 +386,22 @@ def _plot_heatmap_base(self, heatmap_rec_list, show_subschema):
                 .encode(
                     y=alt.X("Column:O", sort=None),
                     x=alt.X(f"Recommendation:O", sort=None),
-                    color=alt.condition(single, "Value:Q", alt.value("lightgray")),
+                    color=alt.condition(
+                        single,
+                        alt.Color("Value:Q").scale(domainMax=1, domainMin=0),
+                        alt.value("lightgray")),
                     # color="Value:Q",
                     tooltip=[
                         alt.Tooltip("Column", title="Column"),
                         alt.Tooltip("Recommendation", title="Recommendation"),
-                        alt.Tooltip("Value", title="Correlation Score"),
+                        alt.Tooltip("Value", title="Similarity"),
                         alt.Tooltip("Description", title="Description"),
                         alt.Tooltip("Values (sample)", title="Values (sample)"),
                     ],
                     facet=alt.Facet("Subschema:O", columns=1),
                 )
                 .add_params(single)
+                .configure(background="#f5f5f5")
             )
         else:
             base = (
@@ -406,7 +410,10 @@ def _plot_heatmap_base(self, heatmap_rec_list, show_subschema):
                 .encode(
                     y=alt.X("Column:O", sort=None),
                     x=alt.X(f"Recommendation:O", sort=None),
-                    color=alt.condition(single, "Value:Q", alt.value("lightgray")),
+                    color=alt.condition(
+                        single,
+                        alt.Color("Value:Q").scale(domainMax=1, domainMin=0),
+                        alt.value("lightgray")),
                     # color="Value:Q",
                     tooltip=[
                         alt.Tooltip("Column", title="Column"),
@@ -417,6 +424,7 @@ def _plot_heatmap_base(self, heatmap_rec_list, show_subschema):
                     ],
                 )
                 .add_params(single)
+                .configure(background="#f5f5f5")
             )
         return pn.pane.Vega(base)
 
@@ -463,11 +471,11 @@ def _candidates_table(self, heatmap_rec_list, selection):
             text_align=text_align,
             widths=widths,
             sizing_mode="stretch_width",
-            height=self.height,
             embed_content=True,
             header_align="center",
-            theme="simple",
             disabled=True,
+            theme='bootstrap5',
+            theme_classes=['thead-dark', 'table-sm']
         )
         return table_candidates
 
@@ -481,6 +489,7 @@ def _plot_column_histogram(self, column):
                     y="count()",
                 )
                 .properties(width="container", title="Histogram of " + column)
+                .configure(background="#f5f5f5")
             )
             return chart
         else:
@@ -505,6 +514,7 @@ def _plot_column_histogram(self, column):
                         y="count()",
                     )
                     .properties(width="container", title="Histogram of " + column)
+                    .configure(background="#f5f5f5")
                 )
         return chart
 
@@ -560,45 +570,45 @@ def _plot_pane(
         )
         column_hist = self._plot_column_histogram(select_column)
         return pn.Column(
-            heatmap_pane,
-            # pn.bind(
-            #     self._plot_selected_row,
-            #     heatmap_rec_list,
-            #     heatmap_pane.selection.param.single,
-            # ),
-            pn.Row(
+            pn.Row(heatmap_pane, scroll=True, width=1200,
+                   styles=dict(background='WhiteSmoke')),
+            pn.Spacer(height=5),
+            pn.Card(pn.Row(
                 pn.Column(column_hist, width=500),
-                pn.Spacer(width=30),
-                pn.Column(cand_table, width=700),
-                height=450,
-            ),
+                pn.Column(cand_table, width=700)
+            ), title='Detailed Analysis', styles={'background': 'WhiteSmoke'})
         )
 
     def plot_heatmap(self):
         select_column = pn.widgets.Select(
             name="Column",
             options=list(self.rec_table_df["Column"]),
-            width=220,
+            width=120,
         )
         # select_cluster = pn.widgets.MultiChoice(
         #     name="Column cluster", options=list(self.clusters.keys()), width=220
         # )
-        select_rec_groups = pn.widgets.MultiChoice(
-            name="Recommendation subschema", options=self.subschemas, width=220
-        )
+        
         n_similar_slider = pn.widgets.IntSlider(
-            name="N Similar", start=0, end=5, value=0, width=220
+            name="N Similar", start=0, end=5, value=0, width=100
         )
-        thresh_slider = pn.widgets.EditableFloatSlider(
-            name="Threshold", start=0, end=1.0, step=0.01, value=0.1, width=220
+        thresh_slider = pn.widgets.FloatSlider(
+            name="Threshold", start=0, end=1.0, step=0.01, value=0.1, width=100
         )
 
         acc_button = pn.widgets.Button(name="Accept Match", button_type="success")
 
         rej_button = pn.widgets.Button(name="Decline Match", button_type="danger")
 
-        # Style
+        # Subschemas
+        select_rec_groups = pn.widgets.MultiChoice(
+            name="Recommendation subschema", options=self.subschemas, width=180
+        )
         show_subschema = pn.widgets.Checkbox(name="Show subschema", value=False)
+        subschema_col = pn.Column(
+            select_rec_groups,
+            show_subschema,
+        )
 
         def on_click_accept_match(event):
             self._accept_match()
@@ -620,17 +630,21 @@ def on_click_reject_match(event):
             rej_button.param.clicks,
         )
 
-        column_left = pn.Row(
+        buttons_down = pn.Row(acc_button, rej_button)
+
+        column_top = pn.Row(
             select_column,
-            show_subschema,
-            select_rec_groups,
+            subschema_col,
             n_similar_slider,
             thresh_slider,
+            buttons_down,
+            width=1200,
             styles=dict(background="WhiteSmoke"),
         )
 
-        buttons_down = pn.Row(acc_button, rej_button, align="start")
-
         return pn.Column(
-            column_left, pn.Column(heatmap_bind), buttons_down, scroll=True
+            column_top,
+            pn.Spacer(height=5),
+            pn.Column(heatmap_bind),
+            scroll=True
         )