diff --git a/octoprint_toptemp/__init__.py b/octoprint_toptemp/__init__.py
index cba0352..ab01352 100644
--- a/octoprint_toptemp/__init__.py
+++ b/octoprint_toptemp/__init__.py
@@ -103,6 +103,7 @@ def __init__(self):
             'graphSettings': {
                 'height': 50,
                 'show': True,
+                'forceStyle': False,
                 'opa': 0.2,
                 'width': 1,
                 'color' : '#000000',
diff --git a/octoprint_toptemp/static/js/TopTemp.js b/octoprint_toptemp/static/js/TopTemp.js
index 69a4e07..10e9875 100644
--- a/octoprint_toptemp/static/js/TopTemp.js
+++ b/octoprint_toptemp/static/js/TopTemp.js
@@ -1544,10 +1544,25 @@ $(function() {
 
         // Add CSS for the graphs
         self.setGraphStyle = function(name,settings){
+            var important = "";
+            if (settings.forceStyle()){
+                important = " !important";
+            }
             // Remove old
             $('#TopTempGraph_'+name+'_style').remove();
+
+            var styleSet = `
+            #TopTempGraph_${name}_graph{
+                height:${settings.height()}%${important};
+            }
+            #TopTempGraph_${name}_graph.TopTempGraph > svg >g .ct-line{
+                stroke-width: ${settings.width()}px${important};
+                stroke-opacity: ${settings.opa()}${important};
+                stroke: ${settings.color()}${important};
+            }`;
+
             // Build new
-            $('head').append('<style id="TopTempGraph_'+name+'_style">\n#TopTempGraph_'+name+'_graph{\nheight:'+settings.height()+'%\n}\n#TopTempGraph_'+name+'_graph.TopTempGraph > svg >g .ct-line{\nstroke-width: '+settings.width()+'px;\nstroke-opacity: '+settings.opa()+';\nstroke: '+settings.color()+';\n}\n</style>'    );
+            $('head').append('<style id="TopTempGraph_'+name+'_style">\n'+styleSet+'</style>');
             // Show the graph?
             if (settings.show){
                 $('#TopTempGraph_'+name+'_graph').show();
diff --git a/octoprint_toptemp/templates/toptemp_settings.jinja2 b/octoprint_toptemp/templates/toptemp_settings.jinja2
index 48ef225..7f3cdfc 100644
--- a/octoprint_toptemp/templates/toptemp_settings.jinja2
+++ b/octoprint_toptemp/templates/toptemp_settings.jinja2
@@ -199,6 +199,13 @@
                     </div>
                 </div>
                 <div class="TopTempGraphSetting" data-bind="visible: settings.plugins.toptemp.bed.graphSettings.show">
+                    <div class="control-group" title="Overrule any themeing styles with these settings">
+                        <div class="controls">
+                            <label class="checkbox">
+                                <input type="checkbox" data-bind="checked: settings.plugins.toptemp.bed.graphSettings.forceStyle"> {{ _('Overrule themeing') }}
+                            </label>
+                        </div>
+                    </div>
                     <div class="control-group" title="Graph transparency">
                         <label class="control-label">Graph transparency</label>
                         <div class="controls">
@@ -353,6 +360,13 @@
                     </div>
                 </div>
                 <div class="TopTempGraphSetting" data-bind="visible: settings.plugins.toptemp.chamber.graphSettings.show">
+                    <div class="control-group" title="Overrule any themeing styles with these settings">
+                        <div class="controls">
+                            <label class="checkbox">
+                                <input type="checkbox" data-bind="checked: settings.plugins.toptemp.chamber.graphSettings.forceStyle"> {{ _('Overrule themeing') }}
+                            </label>
+                        </div>
+                    </div>
                     <div class="control-group" title="Graph transparency">
                         <label class="control-label">Graph transparency</label>
                         <div class="controls">
@@ -514,6 +528,13 @@
                     </div>
                 </div>
                 <div class="TopTempGraphSetting" data-bind="visible: $parent.settings.plugins.toptemp['tool'+$index()].graphSettings.show">
+                    <div class="control-group" title="Overrule any themeing styles with these settings">
+                        <div class="controls">
+                            <label class="checkbox">
+                                <input type="checkbox" data-bind="checked: $parent.settings.plugins.toptemp['tool'+$index()].graphSettings.forceStyle"> {{ _('Overrule themeing') }}
+                            </label>
+                        </div>
+                    </div>
                     <div class="control-group" title="Graph transparency">
                         <label class="control-label">Graph transparency</label>
                         <div class="controls">
@@ -729,6 +750,13 @@
                     </div>
                 </div>
                 <div class="TopTempGraphSetting" data-visible="graphSettings.show">
+                    <div class="control-group" title="Overrule any themeing styles with these settings">
+                        <div class="controls">
+                            <label class="checkbox">
+                                <input type="checkbox" data-settings="graphSettings.forceStyle"> {{ _('Overrule themeing') }}
+                            </label>
+                        </div>
+                    </div>
                     <div class="control-group" title="Graph transparency">
                         <label class="control-label">Graph transparency</label>
                         <div class="controls">