diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0565f72fa..e72c7fc71 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@
 ### Features
 
 - Add utility functions for converting between frame and axes ([#1778](../../pull/1778))
-- Jupyter frame selector ([#1738](../../pull/1738), [#1792](../../pull/1792))
+- Jupyter frame selector ([#1738](../../pull/1738), [#1792](../../pull/1792), [#1793](../../pull/1793))
 
 ### Improvements
 
diff --git a/girder/girder_large_image/web_client/views/imageViewerSelectWidget.js b/girder/girder_large_image/web_client/views/imageViewerSelectWidget.js
index 65c22a95c..895bae751 100644
--- a/girder/girder_large_image/web_client/views/imageViewerSelectWidget.js
+++ b/girder/girder_large_image/web_client/views/imageViewerSelectWidget.js
@@ -83,6 +83,7 @@ var ImageViewerSelectWidget = View.extend({
     _createVue(imageMetadata, frameUpdate) {
         const el = this.$('#vue-container').get(0);
         const getFrameHistogram = (params) => {
+            params = Object.assign({}, params);
             restRequest({
                 type: 'GET',
                 url: 'item/' + this.itemId + '/tiles/histogram',
diff --git a/large_image/widgets/CompositeLayers.vue b/large_image/widgets/CompositeLayers.vue
index 2c1120d0f..8da2d74f1 100644
--- a/large_image/widgets/CompositeLayers.vue
+++ b/large_image/widgets/CompositeLayers.vue
@@ -483,7 +483,6 @@ module.exports = {
     border-bottom: 3px solid !important;
 }
 .table-row {
-    height: 50px;
     vertical-align: top;
     border-bottom: 1px solid !important;
     position: relative;
@@ -501,13 +500,11 @@ module.exports = {
     width: 30px;
 }
 .name-col {
-    padding: 0 5px;
     width: 50%;
     word-break: break-all;
     font-size: inherit;
 }
 .color-col {
-    padding: 0 5px;
     width: 25%;
 }
 .auto-range-col {
@@ -577,8 +574,6 @@ module.exports = {
     position: absolute;
     right: 10px;
     top: 5px;
-    font-size: 20px;
-    font-weight: 900 !important;
 }
 .advanced-section {
     position: absolute;
@@ -606,13 +601,19 @@ module.exports = {
 }
 .percentage-input {
     position: relative;
-    margin-top: 5px;
     width: 80px;
 }
+.jupyter-widgets .percentage-input {
+    margin-top: 5px;
+}
 .percentage-input::after {
     position: absolute;
     content: '%';
     left: 45px;
     top: 3px;
 }
+.jupyter-widgets .expand-btn {
+    font-size: 20px;
+    font-weight: 900 !important;
+}
 </style>
diff --git a/large_image/widgets/HistogramEditor.vue b/large_image/widgets/HistogramEditor.vue
index 02adfcf39..6ff0d699b 100644
--- a/large_image/widgets/HistogramEditor.vue
+++ b/large_image/widgets/HistogramEditor.vue
@@ -433,7 +433,6 @@ module.exports = {
     left: 90px;
     width: calc(100% - 180px);
     max-height: 100%;
-    padding: 0px 5px;
 }
 .handles-svg {
     position: absolute;