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