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