Element block pseudo-element :before generated with width 300px transition line-height 1 opacity 1 border 0px rgba(0,0,0,1) solid position static border-radius box-shadow 1px 1px 0px rgba(255,0,0,1) box-sizing content-box margin 0px z-index auto height 300px background padding 0px font-weight normal overflow visible outline none font-size 16px transform float none display block text-shadow 0px 0px 9px rgba(20,255,20,0.7) cursor default