#2294 fixes issue with icon line height on sizing

src/definitions/elements/icon.less

@@ -353,31 +353,36 @@ i.inverted.circular.grey.icon {
 
 i.small.icon,
 i.small.icons {
+  line-height: 1;
   font-size: @small;
 }
 i.icon,
 i.icons {
+  line-height: 1;
   font-size: @medium;
 }
 i.large.icon,
 i.large.icons {
-  font-size: @large;
+  line-height: 1;
   vertical-align: middle;
+  font-size: @large;
 }
 i.big.icon,
 i.big.icons {
-  font-size: @big;
+  line-height: 1;
   vertical-align: middle;
+  font-size: @big;
 }
 i.huge.icon,
 i.huge.icons {
-  font-size: @huge;
+  line-height: 1;
   vertical-align: middle;
+  font-size: @huge;
 }
 i.massive.icon,
 i.massive.icons {
-  font-size: @massive;
   vertical-align: middle;
+  font-size: @massive;
 }
 
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