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