When using toolbarbutton with large image icon size (48x48), the hover style is not correct.
Reproducible sample:
<toolbar> <toolbarbutton image="http://www.zkoss.org/zksandbox/img/Centigrade-Widget-Icons/FormsAndInputs-48x48.png"></toolbarbutton> <toolbarbutton image="http://www.zkoss.org/zksandbox/img/Centigrade-Widget-Icons/FormsAndInputs-48x48.png"></toolbarbutton> <toolbarbutton image="http://www.zkoss.org/zksandbox/img/Centigrade-Widget-Icons/FormsAndInputs-48x48.png"></toolbarbutton> <toolbarbutton image="http://www.zkoss.org/zksandbox/img/Centigrade-Widget-Icons/FormsAndInputs-48x48.png"></toolbarbutton> </toolbar>
Debug information:
The z-toolbarbutton style have fixed height: 24px.