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