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