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