diff --git a/packages/lib/src/toolbar/controls/CellWidthInput.module.css b/packages/lib/src/toolbar/controls/CellWidthInput.module.css
index fdbb9a416..b03834ff5 100644
--- a/packages/lib/src/toolbar/controls/CellWidthInput.module.css
+++ b/packages/lib/src/toolbar/controls/CellWidthInput.module.css
@@ -6,6 +6,7 @@
 .label {
   color: var(--h5w-toolbar-label--color, royalblue);
   margin: 0 0.25rem;
+  white-space: nowrap;
 }
 
 .input {
diff --git a/packages/lib/src/toolbar/controls/Selector/Selector.module.css b/packages/lib/src/toolbar/controls/Selector/Selector.module.css
index a93b9f225..21a403e16 100644
--- a/packages/lib/src/toolbar/controls/Selector/Selector.module.css
+++ b/packages/lib/src/toolbar/controls/Selector/Selector.module.css
@@ -5,6 +5,7 @@
     --h5w-selector-label--color,
     var(--h5w-toolbar-label--color, royalblue)
   );
+  white-space: nowrap;
 }
 
 .groups {
diff --git a/packages/lib/src/vis/matrix/MatrixVis.module.css b/packages/lib/src/vis/matrix/MatrixVis.module.css
index fc4c3c738..8271d3d47 100644
--- a/packages/lib/src/vis/matrix/MatrixVis.module.css
+++ b/packages/lib/src/vis/matrix/MatrixVis.module.css
@@ -1,6 +1,7 @@
 .wrapper {
   flex: 1; /* fill height if inside flex container in consumer app */
   position: relative;
+  overflow: hidden; /* when resizing */
 }
 
 .grid {