fix(paper): a mixin shoule always uses () as a function

This will cause the sass version miss the ripple mixin.

1 files changed, 28 insertions, 28 deletions

diff --git a/paper/bootswatch.less b/paper/bootswatch.less
index 88569de7..263a612a 100644
--- a/paper/bootswatch.less
+++ b/paper/bootswatch.less
@@ -9,6 +9,34 @@
 }
 .web-font(@web-font-path);
 
+// Effects =================================================================
+
+.ripple() {
+  position: relative;
+
+  &:after {
+    content: "";
+    display: block;
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    top: 0;
+    left: 0;
+    #gradient > .radial(#000 10%, transparent 10.01%);
+    background-size: 1000% 1000%;
+    background-position: 50%;
+    opacity: 0;
+    pointer-events: none;
+    transition: background .5s, opacity 1s;
+  }
+
+  &:active:after {
+    background-size: 0% 0%;
+    opacity: .2;
+    transition: 0s;
+  }
+}
+
 // Navbar =====================================================================
 
 .navbar {
@@ -614,32 +642,4 @@ input[type="checkbox"],
       color: inherit;
     }
   }
-}
-
-// Effects =================================================================
-
-.ripple {
-  position: relative;
-
-  &:after {
-    content: "";
-    display: block;
-    position: absolute;
-    width: 100%;
-    height: 100%;
-    top: 0;
-    left: 0;
-    #gradient > .radial(#000 10%, transparent 10.01%);
-    background-size: 1000% 1000%;
-    background-position: 50%;
-    opacity: 0;
-    pointer-events: none;
-    transition: background .5s, opacity 1s;
-  }
-
-  &:active:after {
-    background-size: 0% 0%;
-    opacity: .2;
-    transition: 0s;
-  }
 }
\ No newline at end of file