#lintHTMLwithCSS
:
/* Headers out of order (i.e. h2 before h1, etc.)
Result: dotted blue outline
*/
h2 ~ h1,
h3 ~ h1,
h4 ~ h1,
h5 ~ h1,
h6 ~ h1,
h3 ~ h2,
h4 ~ h2,
h5 ~ h2,
h6 ~ h2,
h4 ~ h3,
h5 ~ h3,
h6 ~ h3,
h5 ~ h4,
h6 ~ h4,
h6 ~ h5 {
outline: 2px dotted blue;
}