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