Index: lams_central/web/css/bootstrap/_popover.scss
===================================================================
diff -u -rb7c92dbcfdb0469dbc0144190a201757f398e529 -ra90d0744dd0d09d1b04869e61ce1b66bf1ee3242
--- lams_central/web/css/bootstrap/_popover.scss	(.../_popover.scss)	(revision b7c92dbcfdb0469dbc0144190a201757f398e529)
+++ lams_central/web/css/bootstrap/_popover.scss	(.../_popover.scss)	(revision a90d0744dd0d09d1b04869e61ce1b66bf1ee3242)
@@ -1,5 +1,3 @@
-// stylelint-disable custom-property-empty-line-before
-
 .popover {
   // scss-docs-start popover-css-vars
   --#{$prefix}popover-zindex: #{$zindex-popover};
@@ -58,7 +56,7 @@
 
 .bs-popover-top {
   > .popover-arrow {
-    bottom: calc((var(--#{$prefix}popover-arrow-height) * -1) - var(--#{$prefix}popover-border-width)); // stylelint-disable-line function-disallowed-list
+    bottom: calc(-1 * (var(--#{$prefix}popover-arrow-height)) - var(--#{$prefix}popover-border-width)); // stylelint-disable-line function-disallowed-list
 
     &::before,
     &::after {
@@ -80,7 +78,7 @@
 /* rtl:begin:ignore */
 .bs-popover-end {
   > .popover-arrow {
-    left: calc((var(--#{$prefix}popover-arrow-height) * -1) - var(--#{$prefix}popover-border-width)); // stylelint-disable-line function-disallowed-list
+    left: calc(-1 * (var(--#{$prefix}popover-arrow-height)) - var(--#{$prefix}popover-border-width)); // stylelint-disable-line function-disallowed-list
     width: var(--#{$prefix}popover-arrow-height);
     height: var(--#{$prefix}popover-arrow-width);
 
@@ -105,7 +103,7 @@
 
 .bs-popover-bottom {
   > .popover-arrow {
-    top: calc((var(--#{$prefix}popover-arrow-height) * -1) - var(--#{$prefix}popover-border-width)); // stylelint-disable-line function-disallowed-list
+    top: calc(-1 * (var(--#{$prefix}popover-arrow-height)) - var(--#{$prefix}popover-border-width)); // stylelint-disable-line function-disallowed-list
 
     &::before,
     &::after {
@@ -130,7 +128,7 @@
     left: 50%;
     display: block;
     width: var(--#{$prefix}popover-arrow-width);
-    margin-left: calc(var(--#{$prefix}popover-arrow-width) * -.5); // stylelint-disable-line function-disallowed-list
+    margin-left: calc(-.5 * var(--#{$prefix}popover-arrow-width)); // stylelint-disable-line function-disallowed-list
     content: "";
     border-bottom: var(--#{$prefix}popover-border-width) solid var(--#{$prefix}popover-header-bg);
   }
@@ -139,7 +137,7 @@
 /* rtl:begin:ignore */
 .bs-popover-start {
   > .popover-arrow {
-    right: calc((var(--#{$prefix}popover-arrow-height) * -1) - var(--#{$prefix}popover-border-width)); // stylelint-disable-line function-disallowed-list
+    right: calc(-1 * (var(--#{$prefix}popover-arrow-height)) - var(--#{$prefix}popover-border-width)); // stylelint-disable-line function-disallowed-list
     width: var(--#{$prefix}popover-arrow-height);
     height: var(--#{$prefix}popover-arrow-width);