body { font-family: monospace ; font-size: 18px ; line-height: 1.4 ; } body::after { /* CAUTION: On output, the CFSET will disappear because ColdFusion will evaluate this text as CFML code, and will evaluate the SET operation. Of course, this will never actually be a problem. */ content: "==>[<cfset x=3 />]<==" ; } .highlight { background-color: #ffdd00 ; display: inline-block ; padding: 2px 8px 2px 8px ; }