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