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