Testing HighlightJS Copying...

CSS

 .class {
   font-size: 0.85rem;
   font-weight: 600;
   font-family: monospace;
 }
    
 h1 .header {
   font-size: 1.5rem;
   font-family: Arial;
 }

CSS

 .class {
   font-size: 0.85rem;
   font-weight: 600;
   font-family: monospace;
 }
    
 h2 .header {
   font-size: 1.5rem;
   font-family: Arial;
 }

CSS

 .class {
   font-size: 0.85rem;
   font-weight: 600;
   font-family: monospace;
 }
    
 h3 .header {
   font-size: 1.5rem;
   font-family: Arial;
 }