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