Initial mdbook project files

theme/2020-edition.css

@@ -0,0 +1,50 @@
+/*
+Taken from the reference.
+Warnings and notes:
+Write the <div>s on their own line. E.g.
+<div class="warning">
+Warning: This is bad!
+</div>
+*/
+main .warning p {
+    padding: 10px 20px;
+    margin: 20px 0;
+}
+
+main .warning p::before {
+    content: "⚠️ ";
+}
+
+.light main .warning p,
+.rust main .warning p {
+    border: 2px solid red;
+    background: #ffcece;
+}
+
+.rust main .warning p {
+    /* overrides previous declaration */
+    border-color: #961717;
+}
+
+.coal main .warning p,
+.navy main .warning p,
+.ayu main .warning p {
+    background: #542626
+}
+
+/* Make the links higher contrast on dark themes */
+.coal main .warning p a,
+.navy main .warning p a,
+.ayu main .warning p a {
+    color: #80d0d0
+}
+
+span.caption {
+    font-size: .8em;
+    font-weight: 600;
+}
+
+span.caption code {
+    font-size: 0.875em;
+    font-weight: 400;
+}