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