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