fix height and width issues causing problems in browser

src/ensembl/src/content/Content.scss

 @import 'src/styles/common';
 
 .content {
-  min-height: calc(100vh - 96px);
+  min-height: calc(100vh - 73px);
 
   &.expanded {
-    min-height: calc(100vh - 38px);
+    min-height: calc(100vh - 25px);
   }
 
   h2 {

src/ensembl/src/content/app/browser/Browser.scss

@@ -6,16 +6,16 @@
 
 .browserInnerWrapper {
   @include flex;
-  height: calc(100% - 40px);
+  height: calc(100% - 32px);
 }
 
 .browserImageWrapper {
   &.semiExpanded {
-    width: calc(100vw - 356px);
+    width: calc(100vw - 357px);
   }
 
   &.expanded {
-    width: calc(100vw - 36px);
+    width: calc(100vw - 37px);
   }
 
   &.collapsed {

src/ensembl/src/content/app/browser/track-panel/track-panel-bar/TrackPanelBar.scss

@@ -3,7 +3,7 @@
 .trackPanelBar {
   border-right: 1px solid $ens-medium-grey;
   background: $ens-light-grey;
-  height: calc(100vh - 166px);
+  height: calc(100vh - 177px);
   width: 36px;
 
   &.expanded {