make card headers and footers translucent

diff --git a/scss/_variables.scss b/scss/_variables.scss
index 1184fc6c4febc978347eb79631d957067237e99c..d40f9d83e1c182cd3f035fe084fca22ca8fadcb8 100644 (file)
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -642,7 +642,7 @@ $card-border-width:        1px !default;
 $card-border-radius:       $border-radius !default;
 $card-border-color:        rgba($black,.125) !default;
 $card-inner-border-radius: calc(#{$card-border-radius} - #{$card-border-width}) !default;
-$card-cap-bg:              $gray-100 !default;
+$card-cap-bg:              rgba($black, .03) !default;
 $card-bg:                  $white !default;
 
 $card-dark-link-hover-color:    $white !default;