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