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