Element block pseudo-element :before generated with border 0px rgba(0,0,0,1) solid float none overflow visible font-size 16px border-radius font-weight normal line-height normal cursor default width auto z-index auto transition box-sizing content-box padding 0px position static transform text-shadow height auto display block background outline none margin 0px opacity 1 box-shadow 0px 0px 6px rgba(0,0,0,0.5)