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