diff --git a/htdocs/index.html b/htdocs/index.html
index 55d2291d..d474edda 100644
--- a/htdocs/index.html
+++ b/htdocs/index.html
@@ -52,16 +52,12 @@
                     <svg viewBox="0 0 80 80"><use xlink:href="static/gfx/svg-defs.svg#right"></use></svg>
                 </div>
             </div>
+            <div class="openwebrx-spectrum-container" style="z-index:1;">
+                <canvas id="openwebrx-spectrum-canvas" width="0" height="0"></canvas>
+            </div>
             <div id="openwebrx-scale-container" style="z-index:1;">
                 <canvas id="openwebrx-scale-canvas" width="0" height="0"></canvas>
             </div>
-            <div class="openwebrx-spectrum-container">
-                <canvas id="openwebrx-spectrum-canvas" width="0" height="0"></canvas>
-            </div>
-            <a class="openwebrx-rx-details-arrow openwebrx-rx-details-arrow--down openwebrx-photo-trigger">
-                <svg class="down" viewBox="0 0 43 12"><use xlink:href="static/gfx/svg-defs.svg#rx-details-arrow-down"></use></svg>
-                <svg class="up" viewBox="0 0 43 12"><use xlink:href="static/gfx/svg-defs.svg#rx-details-arrow-up"></use></svg>
-            </a>
         </div>
         <div id="webrx-canvas-background">
             <div id="webrx-canvas-container">
@@ -245,7 +241,7 @@
                         <div class="openwebrx-button openwebrx-square-button openwebrx-zoom-button" onclick="zoomOutOneStep();" title="Zoom out one step"><svg viewBox="0 0 80 80"><use xlink:href="static/gfx/svg-defs.svg#zoom-out"></use></svg></div>
                         <div class="openwebrx-button openwebrx-square-button openwebrx-zoom-button" onclick="zoomInTotal();"  title="Zoom in totally"><svg viewBox="0 0 80 80"><use xlink:href="static/gfx/svg-defs.svg#zoom-in-total"></use></svg></div>
                         <div class="openwebrx-button openwebrx-square-button openwebrx-zoom-button" onclick="zoomOutTotal();" title="Zoom out totally"><svg viewBox="0 0 80 80"><use xlink:href="static/gfx/svg-defs.svg#zoom-out-total"></use></svg></div>
-                        <div class="openwebrx-button openwebrx-square-button openwebrx-zoom-button" onclick="toggleSpectrum();" title="Zoom out totally"><svg viewBox="0 0 80 80"><use xlink:href="static/gfx/svg-defs.svg#zoom-out-total"></use></svg></div>
+                        <div class="openwebrx-button openwebrx-square-button openwebrx-zoom-button" onclick="toggleSpectrum();" title="Toggle spectrum display"><svg viewBox="0 0 80 80"><use xlink:href="static/gfx/svg-defs.svg#waterfall-default"></use></svg></div>
                         <div class="openwebrx-button openwebrx-square-button openwebrx-record-button" onclick="toggleRecording();" title="Record audio">REC</div>
                     </div>
                     <div class="openwebrx-panel-line">
diff --git a/htdocs/lib/Spectrum.js b/htdocs/lib/Spectrum.js
index 471b7f44..f0ddbf85 100644
--- a/htdocs/lib/Spectrum.js
+++ b/htdocs/lib/Spectrum.js
@@ -68,7 +68,6 @@ Spectrum.prototype.draw = function() {
 Spectrum.prototype.close = function() {
     // Hide container
     $('.openwebrx-spectrum-container').removeClass('expanded');
-    $('.openwebrx-rx-details-arrow').removeClass('openwebrx-rx-details-arrow--up').addClass('openwebrx-rx-details-arrow--down');
 
     // Stop redraw timer
     if (this.timer) {
@@ -83,7 +82,6 @@ Spectrum.prototype.close = function() {
 Spectrum.prototype.open = function() {
     // Show container
     $('.openwebrx-spectrum-container').addClass('expanded');
-    $('.openwebrx-rx-details-arrow').removeClass('openwebrx-rx-details-arrow--down').addClass('openwebrx-rx-details-arrow--up');
 
     // Start redraw timer
     if (!this.timer) {
@@ -93,7 +91,6 @@ Spectrum.prototype.open = function() {
 }
 
 Spectrum.prototype.toggle = function() {
-//    if (ev && ev.target && ev.target.tagName == 'A') return;
     // Toggle based on the current redraw timer state
     if (this.timer) this.close(); else this.open();
 };