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