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