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