docs: move Buildroot CSS code into its own file

In preparation to the addition of more CSS code, this commit moves the
Buildroot site specific CSS code from header.html to a dedicated CSS
file.

[Thomas: add missing space before opening curly brace, as suggested by
Thomas DS.]

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/docs/css/buildroot.css b/docs/css/buildroot.css
new file mode 100644
index 0000000000..86a9c77664
--- /dev/null
+++ b/docs/css/buildroot.css
@@ -0,0 +1,13 @@
+body {
+    padding-top: 60px;
+    padding-bottom: 40px;
+}
+
+.button_column {
+    width: 430px;
+}
+
+.gplus {
+    float:right;
+    margin: 10px 0 0;
+}