Further refinements

vars/packageStage.groovy

@@ -12,7 +12,7 @@ void call(Map config = [:], Closure body = { }) {
     ]
     Map runConfig = defaults + config
     stage(runConfig.stepName) {
-        printBanner(runConfig.stepName)
+        printBanner(runConfig.stepName, [ boxStyle : 'plain' ])
         if (runConfig.artifacts.size() < 1) {
             assert runConfig.artifacts : 'Error: No named artifacts to package!'
         }

vars/printBanner.groovy

@@ -1,4 +1,12 @@
-void call(String stepName, String boxColor = 'green', String textColor = 'white', String styleName = 'default') {
+void call(String stepName, Map styleMap = [:]) {
+    Map defaultStyleMap = [
+        boxColor: 'green',
+        textColor: 'white',
+        boxStyle: 'default'
+    ]
+
+    runStyleMap = defaultStyleMap + styleMap
+
     Map colors = [
         black:   '\u001b[30m',
         red:     '\u001b[31m',
@@ -30,7 +38,10 @@ void call(String stepName, String boxColor = 'green', String textColor = 'white'
         ]
     ]
 
-    Map style = boxStyles[styleName]
+    String textColor = runStyleMap['textColor']
+    String boxColor = runStyleMap['boxColor']
+
+    Map style = boxStyles[runStyleMap['boxStyle']]
 
     stepBanner = style['sd'] + "   ${colors[textColor]}$stepName${colors['reset']}${colors[boxColor]}   " + style['sd']
     bannerWidth = stepName.length() + 6