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