webdocs-agl: upgrade bootstrap to 3.3.7

Using the bootstrap-sass version available at:
https://github.com/twbs/bootstrap-sass/archive/v3.3.7.tar.gz

Change-Id: I04dbedda13f6ab6987d4b61afd10bbd60dfb70e6
Signed-off-by: Stephane Desneux <stephane.desneux@iot.bzh>

1 files changed, 9 insertions, 0 deletions

diff --git a/site/static/styles/scss/bootstrap/mixins/_nav-vertical-align.scss b/site/static/styles/scss/bootstrap/mixins/_nav-vertical-align.scss
new file mode 100644
index 0000000..c8fbf1a
--- /dev/null
+++ b/site/static/styles/scss/bootstrap/mixins/_nav-vertical-align.scss
@@ -0,0 +1,9 @@
+// Navbar vertical align
+//
+// Vertically center elements in the navbar.
+// Example: an element has a height of 30px, so write out `.navbar-vertical-align(30px);` to calculate the appropriate top margin.
+
+@mixin navbar-vertical-align($element-height) {
+  margin-top: (($navbar-height - $element-height) / 2);
+  margin-bottom: (($navbar-height - $element-height) / 2);
+}