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