Fixes #14386: Reset font, text, and line-height properties in popovers

dist/css/bootstrap.css

@@ -5692,6 +5692,9 @@ button.close {
   display: none;
   max-width: 276px;
   padding: 1px;
+  font-size: 14px;
+  font-weight: normal;
+  line-height: 1.42857143;
   text-align: left;
   white-space: normal;
   background-color: #fff;
@@ -5719,8 +5722,6 @@ button.close {
   padding: 8px 14px;
   margin: 0;
   font-size: 14px;
-  font-weight: normal;
-  line-height: 18px;
   background-color: #f7f7f7;
   border-bottom: 1px solid #ebebeb;
   border-radius: 5px 5px 0 0;

less/popovers.less

@@ -11,7 +11,11 @@
   display: none;
   max-width: @popover-max-width;
   padding: 1px;
-  text-align: left; // Reset given new insertion method
+  // Reset font and text propertes given new insertion method
+  font-size: @font-size-base;
+  font-weight: normal;
+  line-height: @line-height-base;
+  text-align: left;
   background-color: @popover-bg;
   background-clip: padding-box;
   border: 1px solid @popover-fallback-border-color;
@@ -33,8 +37,6 @@
   margin: 0; // reset heading margin
   padding: 8px 14px;
   font-size: @font-size-base;
-  font-weight: normal;
-  line-height: 18px;
   background-color: @popover-title-bg;
   border-bottom: 1px solid darken(@popover-title-bg, 5%);
   border-radius: (@border-radius-large - 1) (@border-radius-large - 1) 0 0;