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