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