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