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