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