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