css: minor update

pre block: margin alignment
h1,h2,h3: add outline

Signed-off-by: Yannick Gicquel <yannick.gicquel@iot.bzh>

diff --git a/doc/doc.css b/doc/doc.css
index c11082f..a5c5be5 100644 (file)
--- a/doc/doc.css
+++ b/doc/doc.css
@@ -4,12 +4,19 @@ body {
        color: #000;
 }
 
-h1, h2, h3 { color: #306; }
+h1, h2, h3 {
+       color: #306;
+       text-decoration: underline;
+}
 
 pre {
        border: medium dashed #306;
-       background: #ccc;
-       margin-left: 4em;
+       border-width: 0.1em;
+       background-color: #eee;
+       margin-left: 2em;
+       margin-right: 2em;
        padding: 1em;
+       outline: #555;
 }
 
+