Horizontal dividers now have letter spacing variables, can use em spacing around text

src/definitions/elements/divider.less

@@ -31,6 +31,7 @@
 
   font-weight: @fontWeight;
   text-transform: @textTransform;
+  letter-spacing: @letterSpacing;
   color: @color;
 
   user-select: none;
@@ -85,7 +86,7 @@
 }
 
 .ui.horizontal.divider:before {
-  margin-left: -(50% + @horizontalDividerMargin);
+  margin-left: @horizontalRulerOffset;
 }
 .ui.horizontal.divider:after {
   margin-left: @horizontalDividerMargin;

src/themes/default/elements/divider.variables

@@ -15,6 +15,7 @@
 @shadowColor: rgba(0, 0, 0, 0.1);
 
 /* Text */
+@letterSpacing: 0.05em;
 @fontWeight: bold;
 @color: @darkTextColor;
 @textTransform: uppercase;
@@ -34,7 +35,9 @@
 
 /* Horizontal / Vertical */
 @horizontalMargin: '';
-@horizontalDividerMargin: 1.5%;
+@horizontalDividerMargin: 1em;
+@horizontalRulerOffset: ~"calc(-50% - "(@horizontalDividerMargin)~")";
+
 @verticalDividerMargin: 1rem;
 @verticalDividerHeight: ~"calc(100% - "(@verticalDividerMargin)~")";