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