From b2abd06b565a0dfb858b63b6fd165be9a70beaf5 Mon Sep 17 00:00:00 2001
From: Brandon Curtis <brandon.curtis@gmail.com>
Date: Thu, 17 Aug 2017 22:51:23 -0700
Subject: [PATCH] add keyboard key style

---
 assets/css/lesson.scss | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/assets/css/lesson.scss b/assets/css/lesson.scss
index fe008e5..05a00a1 100644
--- a/assets/css/lesson.scss
+++ b/assets/css/lesson.scss
@@ -153,3 +153,25 @@ span.fold-unfold {
   margin-left: 1em;
   opacity: 0.5;
 }
+
+
+//----------------------------------------
+// keyboard key style, from StackExchange.
+//----------------------------------------
+
+.keyboard {
+    display: inline-block;
+    margin: 0 .1em;
+    padding: .1em .6em;
+    font-family: Arial,"Helvetica Neue",Helvetica,sans-serif;
+    font-size: 11px;
+    line-height: 1.4;
+    color: #242729;
+    text-shadow: 0 1px 0 #FFF;
+    background-color: #e1e3e5;
+    border: 1px solid #adb3b9;
+    border-radius: 3px;
+    box-shadow: 0 1px 0 rgba(12,13,14,0.2), 0 0 0 2px #FFF inset;
+    white-space: nowrap;
+    font-style: normal;
+}
-- 
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