diff --git a/tests/views/test_parameter_selector.py b/tests/views/test_parameter_selector.py
index 7721e948..201d6ed3 100644
--- a/tests/views/test_parameter_selector.py
+++ b/tests/views/test_parameter_selector.py
@@ -52,9 +52,7 @@ def test_parameter_selector(
     )
 
     assert parameter_selector_container.is_displayed() is True
-    button_hide = dash_duo.find_element(
-        "#" + plugin.uuid("parameter-selector-button-param")
-    )
+    button_hide = dash_duo.find_element("#" + plugin.uuid("parameter-selector-button"))
     button_hide.click()
     parameter_selector_container = dash_duo.wait_for_element_by_css_selector(
         ".ert-parameter-selector-container-hide"
diff --git a/tests/views/test_plot_view.py b/tests/views/test_plot_view.py
index 59f33420..20a5ccfc 100644
--- a/tests/views/test_plot_view.py
+++ b/tests/views/test_plot_view.py
@@ -1,4 +1,5 @@
 import pytest
+import dash
 from webviz_ert.plugins._response_comparison import ResponseComparison
 from tests.conftest import (
     setup_plugin,
@@ -7,6 +8,12 @@
     select_response,
     wait_a_bit,
 )
+from webviz_ert.plugins import (
+    ResponseComparison,
+    ObservationAnalyzer,
+    ParameterComparison,
+    ResponseCorrelation,
+)
 
 
 def test_plot_view(
@@ -155,3 +162,51 @@ def test_displaying_beta_warning(input: bool, dash_duo):
     plugin = setup_plugin(dash_duo, __name__, ResponseComparison, beta=input)
     beta_warning_element = dash_duo.find_element("#" + plugin.uuid("beta-warning"))
     assert beta_warning_element.is_displayed() == input
+
+
+skip_responses = "resp"
+skip_parameters = "param"
+
+
+@pytest.mark.parametrize(
+    "plugin_class,skip",
+    [
+        pytest.param(ResponseComparison, [], id="ResponseComparison"),
+        pytest.param(
+            ObservationAnalyzer,
+            [skip_responses, skip_parameters],
+            id="ObservationAnalyzer",
+        ),
+        pytest.param(ParameterComparison, [skip_responses], id="ParameterComparison"),
+        pytest.param(ResponseCorrelation, [], id="ResponseCorrelation"),
+    ],
+)
+def test_selectors_visibility_toggle_button(plugin_class, skip, mock_data, dash_duo):
+    # we test whether the selector visibility toggle button changes class on
+    # all selectors, as expected
+
+    def check_element_is_hidden(find_by: str) -> None:
+        element = dash_duo.find_element(find_by)
+        assert "hide" in element.get_attribute("class")
+
+    plugin = setup_plugin(dash_duo, __name__, plugin_class, (2048, 1536))
+    app = dash.Dash(__name__)
+
+    visibility_toggler = dash_duo.find_element(
+        "#" + plugin.uuid("parameter-selector-button")
+    )
+    visibility_toggler.click()
+
+    check_element_is_hidden("#" + plugin.uuid("container-ensemble-selector-multi"))
+
+    if not skip_responses in skip:
+        check_element_is_hidden(
+            "#" + plugin.uuid("container-parameter-selector-multi-resp")
+        )
+
+    if not skip_parameters in skip:
+        check_element_is_hidden(
+            "#" + plugin.uuid("container-parameter-selector-multi-param")
+        )
+
+    # assert dash_duo.get_logs() == [], "browser console should contain no error"
diff --git a/webviz_ert/assets/ert-style.css b/webviz_ert/assets/ert-style.css
index b73e2712..023db029 100644
--- a/webviz_ert/assets/ert-style.css
+++ b/webviz_ert/assets/ert-style.css
@@ -4,10 +4,10 @@
 .ert-plot-options {
     height: 84px !important;
 }
-.ert-parameter-selector-container-hide {
+.ert-parameter-selector-container-hide, .ert-ensemble-selector-container-hide {
     display: none;
 }
-.ert-parameter-selector-container-show {
+.ert-parameter-selector-container-show, .ert-ensemble-selector-container-show {
     display: block;
 }
 .ert-parameter-label-checkbox {
@@ -61,3 +61,7 @@
   background-color: rgba(191,91,23,0.8);
   color: black;
 }
+
+.webviz-config-select {
+	height: 15rem;
+}
diff --git a/webviz_ert/controllers/ensemble_selector_controller.py b/webviz_ert/controllers/ensemble_selector_controller.py
index 014002e4..84fbcf5c 100644
--- a/webviz_ert/controllers/ensemble_selector_controller.py
+++ b/webviz_ert/controllers/ensemble_selector_controller.py
@@ -110,3 +110,35 @@ def set_callback(
             [],
             ensemble_selection_store,
         ]
+
+    container_ensemble_selector_multi_id = parent.uuid(
+        "container-ensemble-selector-multi"
+    )
+    parameter_selector_button_id = parent.uuid(f"parameter-selector-button")
+
+    @app.callback(
+        [
+            Output(container_ensemble_selector_multi_id, "className"),
+            Output(parameter_selector_button_id, "children"),
+        ],
+        [
+            Input(parameter_selector_button_id, "n_clicks"),
+            Input(parameter_selector_button_id, "children"),
+        ],
+        [
+            State(container_ensemble_selector_multi_id, "className"),
+        ],
+    )
+    def toggle_selector_visibility(
+        _: int, button_text: str, class_name: str
+    ) -> List[str]:
+        ctx = dash.callback_context
+        triggered_id = ctx.triggered[0]["prop_id"].split(".")[0]
+        if triggered_id == parameter_selector_button_id:
+            if class_name == "ert-ensemble-selector-container-hide":
+                class_name = "ert-ensemble-selector-container-show"
+                button_text = "Hide Selectors"
+            else:
+                class_name = "ert-ensemble-selector-container-hide"
+                button_text = "Show Selectors"
+        return [class_name, button_text]
diff --git a/webviz_ert/controllers/parameter_selector_controller.py b/webviz_ert/controllers/parameter_selector_controller.py
index ddc8756e..e0ab710c 100644
--- a/webviz_ert/controllers/parameter_selector_controller.py
+++ b/webviz_ert/controllers/parameter_selector_controller.py
@@ -139,7 +139,7 @@ def update_parameter_options(
     container_parameter_selector_multi_id = parent.uuid(
         f"container-parameter-selector-multi-{data_type}"
     )
-    parameter_selector_button_id = parent.uuid(f"parameter-selector-button-{data_type}")
+    parameter_selector_button_id = parent.uuid(f"parameter-selector-button")
 
     @app.callback(
         Output(container_parameter_selector_multi_id, "className"),
diff --git a/webviz_ert/plugins/_parameter_comparison.py b/webviz_ert/plugins/_parameter_comparison.py
index 8883ad16..4f99229e 100644
--- a/webviz_ert/plugins/_parameter_comparison.py
+++ b/webviz_ert/plugins/_parameter_comparison.py
@@ -1,8 +1,10 @@
 import dash
+import dash_bootstrap_components as dbc
 import webviz_ert.controllers
 import webviz_ert.models
 from dash.development.base_component import Component
 from typing import List, Dict
+
 from webviz_ert.views import (
     ensemble_selector_list,
     parallel_coordinates_view,
@@ -36,19 +38,32 @@ def layout(self) -> Component:
                     ],
                     hidden=not self.beta,
                 ),
-                dash.html.Div(
-                    id=self.uuid("ensemble-content"),
-                    children=ensemble_selector_list(parent=self),
-                ),
-                dash.html.Div(
-                    id=self.uuid("parallel-coor-content"),
-                    children=[
-                        dash.html.H5("Multi parameter selector:"),
-                        parameter_selector_view(
-                            parent=self, data_type=DataType.PARAMETER
+                dbc.Row(
+                    [
+                        dbc.Col(
+                            id=self.uuid("ensemble-content"),
+                            children=ensemble_selector_list(parent=self),
+                            width=6,
                         ),
-                        parallel_coordinates_view(parent=self),
-                    ],
+                        dbc.Col(
+                            id=self.uuid("parameter-content"),
+                            children=[
+                                parameter_selector_view(
+                                    parent=self, data_type=DataType.PARAMETER
+                                ),
+                            ],
+                            width=6,
+                        ),
+                    ]
+                ),
+                dbc.Row(
+                    dbc.Col(
+                        id=self.uuid("parallel-coor-content"),
+                        children=[
+                            parallel_coordinates_view(parent=self),
+                        ],
+                        width=12,
+                    )
                 ),
             ]
         )
diff --git a/webviz_ert/plugins/_response_comparison.py b/webviz_ert/plugins/_response_comparison.py
index 86d5bb0b..9e7bec4b 100644
--- a/webviz_ert/plugins/_response_comparison.py
+++ b/webviz_ert/plugins/_response_comparison.py
@@ -37,10 +37,6 @@ def layout(self) -> Component:
                     ],
                     hidden=not self.beta,
                 ),
-                dash.html.Div(
-                    id=self.uuid("ensemble-content"),
-                    children=ensemble_selector_list(parent=self),
-                ),
                 dash.html.Div(
                     children=plot_view_header(parent=self),
                 ),
diff --git a/webviz_ert/plugins/_response_correlation.py b/webviz_ert/plugins/_response_correlation.py
index c096ce57..6fb266b8 100644
--- a/webviz_ert/plugins/_response_correlation.py
+++ b/webviz_ert/plugins/_response_correlation.py
@@ -101,17 +101,19 @@ def layout(self) -> Component:
                     ),
                     storage_type="session",
                 ),
-                dash.html.Div(
-                    id=self.uuid("ensemble-content"),
-                    children=ensemble_selector_list(parent=self),
-                ),
                 dbc.Row(
                     [
+                        dbc.Col(
+                            id=self.uuid("ensemble-content"),
+                            children=ensemble_selector_list(parent=self),
+                            width=4,
+                        ),
                         dbc.Col(
                             [
-                                dash.html.Label("Responses", className="ert-label"),
                                 parameter_selector_view(
-                                    self, data_type=DataType.RESPONSE
+                                    self,
+                                    data_type=DataType.RESPONSE,
+                                    titleLabel="Responses",
                                 ),
                                 dash.dcc.Checklist(
                                     id=self.uuid("response-observations-check"),
@@ -125,16 +127,17 @@ def layout(self) -> Component:
                                     labelStyle={"display": "block"},
                                 ),
                             ],
-                            width=6,
+                            width=4,
                         ),
                         dbc.Col(
                             [
-                                dash.html.Label("Parameters", className="ert-label"),
                                 parameter_selector_view(
-                                    self, data_type=DataType.PARAMETER
+                                    self,
+                                    data_type=DataType.PARAMETER,
+                                    titleLabel="Parameters",
                                 ),
                             ],
-                            width=6,
+                            width=4,
                         ),
                     ],
                 ),
diff --git a/webviz_ert/views/ensemble_selector_view.py b/webviz_ert/views/ensemble_selector_view.py
index fb14b04c..d53b90f5 100644
--- a/webviz_ert/views/ensemble_selector_view.py
+++ b/webviz_ert/views/ensemble_selector_view.py
@@ -11,37 +11,45 @@
 def ensemble_selector_list(parent: WebvizErtPluginABC) -> List[Component]:
     return [
         html.Div(
-            [
-                dbc.Row(
-                    [
-                        dbc.Col(
-                            [
-                                html.Label("Ensembles", className="ert-label"),
-                                wcc.Select(
-                                    id=parent.uuid("ensemble-multi-selector"),
-                                    multi=True,
-                                    size=10,
-                                    persistence=True,
-                                    persistence_type="session",
-                                    options=[],
-                                    value=[],
-                                ),
-                            ],
-                            align="left",
+            dbc.Row(
+                [
+                    dbc.Col(
+                        html.H6("Ensembles", className="ert-label"),
+                        align="left",
+                        width="auto",
+                    ),
+                    dbc.Col(
+                        html.Button(
+                            id=parent.uuid(f"ensemble-refresh-button"),
+                            children="Refresh",
+                            n_clicks=0,
                         ),
-                        dbc.Col(
-                            html.Button(
-                                id=parent.uuid(f"ensemble-refresh-button"),
-                                children="Refresh",
-                                n_clicks=0,
-                            ),
-                            align="right",
-                            width=2,
+                        align="right",
+                    ),
+                    dbc.Col(
+                        html.Button(
+                            id=parent.uuid(f"parameter-selector-button"),
+                            children=("Hide Selectors"),
                         ),
-                    ],
-                ),
-            ],
-            id=parent.uuid("ensemble-multi-selector-container"),
+                        align="right",
+                        width="auto",
+                    ),
+                ],
+                align="center",
+            )
+        ),
+        html.Div(
+            wcc.Select(
+                id=parent.uuid("ensemble-multi-selector"),
+                multi=True,
+                size=10,
+                persistence=True,
+                persistence_type="session",
+                options=[],
+                value=[],
+            ),
+            id=parent.uuid("container-ensemble-selector-multi"),
+            className="ert-ensemble-selector-container-show",
         ),
         dcc.Dropdown(
             id=parent.uuid("selected-ensemble-dropdown"),
diff --git a/webviz_ert/views/plot_view.py b/webviz_ert/views/plot_view.py
index d249ccf0..55d7cba1 100644
--- a/webviz_ert/views/plot_view.py
+++ b/webviz_ert/views/plot_view.py
@@ -4,19 +4,29 @@
 
 from dash import html
 from dash import dcc
+import webviz_core_components as wcc
 import dash_bootstrap_components as dbc
 from .selector_view import parameter_selector_view
 from webviz_ert.models.data_model import DataType
+from .ensemble_selector_view import ensemble_selector_list
 
 
 def plot_view_header(parent: WebvizErtPluginABC) -> List[Component]:
     return [
         dbc.Row(
             [
+                dbc.Col(
+                    id=parent.uuid("ensemble-content"),
+                    children=ensemble_selector_list(parent=parent),
+                    width=4,
+                ),
                 dbc.Col(
                     [
-                        html.Label("Responses", className="ert-label"),
-                        parameter_selector_view(parent, data_type=DataType.RESPONSE),
+                        parameter_selector_view(
+                            parent,
+                            data_type=DataType.RESPONSE,
+                            titleLabel="Responses",
+                        ),
                         dcc.Checklist(
                             id=parent.uuid("response-observations-check"),
                             options=[
@@ -34,15 +44,18 @@ def plot_view_header(parent: WebvizErtPluginABC) -> List[Component]:
                             labelStyle={"display": "block"},
                         ),
                     ],
-                    width=6,
+                    width=4,
                     id=parent.uuid("response-section"),
                 ),
                 dbc.Col(
                     [
-                        html.Label("Parameters", className="ert-label"),
-                        parameter_selector_view(parent, data_type=DataType.PARAMETER),
+                        parameter_selector_view(
+                            parent,
+                            data_type=DataType.PARAMETER,
+                            titleLabel="Parameters",
+                        ),
                     ],
-                    width=6,
+                    width=4,
                     id=parent.uuid("parameter-section"),
                 ),
             ]
diff --git a/webviz_ert/views/selector_view.py b/webviz_ert/views/selector_view.py
index bf8ea689..8c10f575 100644
--- a/webviz_ert/views/selector_view.py
+++ b/webviz_ert/views/selector_view.py
@@ -10,37 +10,41 @@
 
 
 def parameter_selector_view(
-    parent: WebvizErtPluginABC, data_type: DataType
+    parent: WebvizErtPluginABC,
+    data_type: DataType,
+    titleLabel: str = "Parameters",
 ) -> Component:
     return html.Div(
         [
             dbc.Row(
                 [
                     dbc.Col(
-                        html.Label(
-                            "Search",
+                        html.H6(
+                            titleLabel,
                             className="ert-label",
                         ),
                         align="left",
-                        width="auto",
                     ),
                     dbc.Col(
-                        dcc.Input(
-                            id=parent.uuid(f"parameter-selector-filter-{data_type}"),
-                            type="search",
-                            placeholder="Substring...",
-                            persistence="session",
-                        ),
-                        align="left",
-                    ),
-                    dbc.Col(
-                        html.Button(
-                            id=parent.uuid(f"parameter-selector-button-{data_type}"),
-                            children=("Toggle selector visibility"),
-                        ),
+                        [
+                            html.Label(
+                                "Search: ",
+                                className="ert-label",
+                            ),
+                            dcc.Input(
+                                id=parent.uuid(
+                                    f"parameter-selector-filter-{data_type}"
+                                ),
+                                type="search",
+                                placeholder="Substring...",
+                                persistence="session",
+                            ),
+                        ],
                         align="right",
+                        width="auto",
                     ),
                 ],
+                align="center",
             ),
             html.Div(
                 wcc.Select(