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