diff --git a/client/group.styl b/client/group.styl
index 687bb6e..35adbb8 100644
--- a/client/group.styl
+++ b/client/group.styl
@@ -47,7 +47,7 @@ table.group
     padding: 0 0.35rem
     border-left: 0.3rem solid transparent
     &.dragging
-      opacity: 66%
+      opacity: 0.666
     &.dropping
       border-left-color: red
   .tagSort
diff --git a/client/message.styl b/client/message.styl
index 3765567..e86ff3b 100644
--- a/client/message.styl
+++ b/client/message.styl
@@ -450,7 +450,7 @@ nav.contents
       white-space: pre
       transform-origin: 0% 0%
       color: transparent
-      opacity: 25%
+      opacity: 0.25
     ::selection
       background: blue
       background: AccentColor
@@ -458,7 +458,7 @@ nav.contents
       background: transparent
     > .fas
       color: magenta
-      opacity: 75%
+      opacity: 0.75
 @media print
   .pdf > .annotations
     display: none