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