Element block pseudo-element :before generated with position absolute status background line-height 1 overflow hidden padding 20px cursor default float none height 300px transform z-index auto box-shadow 1px 1px 1px rgba(0,0,0,0.298039) font-size 16px margin 0px font-weight normal outline none transition border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) border 0px rgba(0,0,0,0) none display block width 300px box-sizing content-box opacity 1