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