Element block pseudo-class :active generated with transform box-sizing content-box display block border-radius cursor default line-height 1 box-shadow 1px 1px 1px rgba(0,0,0,0.3) position static text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto font-size 16px border 0px rgba(0,0,0,1) solid overflow hidden transition margin 1px font-weight normal background z-index auto float none padding 20px width 160px