Merge branch '3.8RC'3.8

1 files changed, 22 insertions, 0 deletions

diff --git a/vendor/twbs/bootstrap/scss/_transitions.scss b/vendor/twbs/bootstrap/scss/_transitions.scss
new file mode 100644
index 000000000..c8d91e271
--- /dev/null
+++ b/vendor/twbs/bootstrap/scss/_transitions.scss
@@ -0,0 +1,22 @@
+// stylelint-disable selector-no-qualifying-type
+
+.fade {
+  @include transition($transition-fade);
+
+  &:not(.show) {
+    opacity: 0;
+  }
+}
+
+.collapse {
+  &:not(.show) {
+    display: none;
+  }
+}
+
+.collapsing {
+  position: relative;
+  height: 0;
+  overflow: hidden;
+  @include transition($transition-collapse);
+}