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