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