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