How to change size class icon to commandButton

[GlaurungBlue]

I want to change an icon with my personal css for commandButton, the default size to ui-icon is 16x16px but my icons have 32x32px

.icon-button-add {
background-image: url("#{resource['iconos/add133.png']}") !important;
height:32px;
width: 32px;
}

i Put my css class and dont see what i want correctly.
[img]
https://scontent-b-dfw.xx.fbcdn.net/hph ... 2928_n.jpg
[/img]

what i need change to makeit work fine?

[andyba]

You need to use a style to change the height of the button and increase the left margin of the button to allow the extra width to fit.
Exactly which classes you need to provide and use should be easy to find out.