Element block pseudo-element :before generated with z-index auto transform font-size 16px float none height auto box-sizing content-box padding 0px transition border 0px rgba(0,0,0,1) solid font-weight normal background text-shadow width auto overflow visible position static line-height 1 margin 0px display block cursor default box-shadow 0px 0px 2px rgba(0,0,0,0.5) border-radius