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