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