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