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