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