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