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