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