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