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