ExtJs 4.2 change border color for all combo drop down lists

Question

What is the best way to change the border colours of all combobox dropdown lists in an Ext JS application?

Answer 1

x-boundlist class I want to change for combo drop down list style change. After load ext-theme-neptune-all.css i override x-boundlist as bellow

.x-boundlist {
   border-color: #3892d3;
}