Element block pseudo-element :before generated with background border-radius font-weight normal box-sizing content-box z-index auto line-height 1 float none transition width 1000px height 500px font-size 16px margin 1px border 0px rgba(0,0,0,1) solid text-shadow transform box-shadow 0px 0px 9px rgba(0,0,0,0.5) overflow visible display block cursor default position relative padding 12px