ADDED   bin/generate-css-snippet
Index: bin/generate-css-snippet
==================================================================
--- /dev/null
+++ bin/generate-css-snippet
@@ -0,0 +1,42 @@
+#! /usr/bin/env bash
+
+platforms=(x86_64-linux arm-linux arm-android x86_64-macos)
+
+function infoToStatusImageURL() {
+	local imageProvidingURL
+	local action status platform
+	local os
+	local url
+
+	action="$1"
+	status="$2"
+	platform="$3"
+
+	os="$(echo "${platform}" | cut -f 2 -d -)"
+
+	imageProvidingURL='https://rkeene.org/images/icons/dynamic-status/'
+	url="${imageProvidingURL}/?os=${os}&status=${status}&action=${action}"
+
+	echo "${url}"
+}
+for action in build tests; do
+	for status in pass fail; do
+		for platform in "${platforms[@]}"; do
+			tag="${action}-${status}-${platform}"
+cat << _EOF_
+.timelineTableCell a[href*="/timeline?r=${tag}&"] {
+  background: url("$(infoToStatusImageURL "${action}" "${status}" "${platform}")");
+  width: 120px; 
+  height: 20px;
+  background-size: 120px 20px;
+  background-repeat: no-repeat;
+  color: rgba(0,0,0,0);
+  display: inline-block;
+  text-indent: -65536px;
+}
+_EOF_
+		done
+	done
+done
+exit 0
+