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