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