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