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