text: import './my_css_macros.js'
  
  LET({
    color: 'blue',
    height: 100,
    dayIsOdd: new Date().getDay() & 1,
    buildDate: new Date().toISOString().replace(/:\d\d\..*Z/, ''),
  })
  
  const css_styles = CSS`
    .somewhere {
      top: ${ EXPR(20 + height) } px;
      border: ${ EXPR(1 + 2) } px ${ EXPR( dayIsOdd ? 'solid' : 'dashed' ) } ${color};
    }
    .somewhere::before {
      content: "${ EXPR(buildDate) }";
    }
  `
  
  console.log(css_styles)
  