diff --git a/scss/elements/balloons.scss b/scss/elements/balloons.scss
index 7747852..93a5c86 100644
--- a/scss/elements/balloons.scss
+++ b/scss/elements/balloons.scss
@@ -44,10 +44,11 @@
 
   &.is-dark {
     @include rounded-corners(true);
-    background: $base-color;
     color: $background-color;
+
+    background: $base-color;
     border-image-outset: 2;
-    box-shadow: 0px 0px 0 8px $base-color;
+    box-shadow: 0 0 0 8px $base-color;
 
     &.from-left,
     &.from-right {
diff --git a/scss/form/inputs.scss b/scss/form/inputs.scss
index 6609dc3..c2e35ff 100644
--- a/scss/form/inputs.scss
+++ b/scss/form/inputs.scss
@@ -8,7 +8,7 @@
 
   @include compact-rounded-corners();
 
-  width: calc(100% -  #{2*$border-size});
+  width: calc(100% - #{2 * $border-size});
   padding: 0.5rem 1rem;
   margin: 4px;
   background-clip: padding-box;
diff --git a/scss/form/selects.scss b/scss/form/selects.scss
index 44e0e45..f6f3e7d 100644
--- a/scss/form/selects.scss
+++ b/scss/form/selects.scss
@@ -11,7 +11,7 @@
   $colors: ($base-color, map-get($default-colors, "shadow"));
 
   position: relative;
-  width: calc(100% -  #{2*$border-size});
+  width: calc(100% - #{2 * $border-size});
   margin: 4px;
 
   select {