add Bootstrap style callout CSS source by Chris Pratt and MIT License

derived from source at https://codepen.io/chrisdpratt/details/IAymB/.  Modified and re-distributed under MIT License

LICENSE.md

@@ -1,6 +1,8 @@
+Cinder Theme for MkDocs
+
 The MIT License (MIT)
 
-Copyright (c) 2018 Chris Simpkins
+Copyright (c) 2018 Cinder Authors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -19,3 +21,19 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
+
+------------------------
+
+Embedded Source Licenses
+
+------------------------
+
+Bootstrap Callout CSS Source (in base.css theme source file)
+
+Copyright (c) 2018 by Chris Pratt (https://codepen.io/chrisdpratt/pen/IAymB)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

cinder/css/base.css

@@ -172,3 +172,63 @@ div.source-links {
     -moz-border-radius: 6px 0 6px 6px;
     border-radius: 6px 0 6px 6px;
 }
+/* Start Bootstrap Callouts CSS Source by Chris Pratt (https://codepen.io/chrisdpratt/pen/IAymB) MIT License*/
+.bs-callout {
+    padding: 20px;
+    margin: 20px 0;
+    border: 1px solid #eee;
+    border-left-width: 5px;
+    border-radius: 3px;
+}
+.bs-callout h4 {
+    font-style: normal;
+    font-weight: 400;
+    margin-top: 0;
+    margin-bottom: 5px;
+}
+.bs-callout p:last-child {
+    margin-bottom: 0;
+}
+.bs-callout code {
+    border-radius: 3px;
+}
+.bs-callout+.bs-callout {
+    margin-top: -5px;
+}
+.bs-callout-default {
+    border-left-color: #FA023C; /*modified from upstream default by Christopher Simpkins*/
+}
+.bs-callout-default h4 {
+    color: #FA023C; /*modified from upstream default by Christopher Simpkins*/
+}
+.bs-callout-primary {
+    border-left-color: #428bca;
+}
+.bs-callout-primary h4 {
+    color: #428bca;
+}
+.bs-callout-success {
+    border-left-color: #5cb85c;
+}
+.bs-callout-success h4 {
+    color: #5cb85c;
+}
+.bs-callout-danger {
+    border-left-color: #d9534f;
+}
+.bs-callout-danger h4 {
+    color: #d9534f;
+}
+.bs-callout-warning {
+    border-left-color: #f0ad4e;
+}
+.bs-callout-warning h4 {
+    color: #f0ad4e;
+}
+.bs-callout-info {
+    border-left-color: #5bc0de;
+}
+.bs-callout-info h4 {
+    color: #5bc0de;
+}
+/* End Bootstrap Callouts CSS Source by Chris Pratt */