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