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