h2, h3, h4, h5, h6 {
	border-left: .5ch solid;
	padding-left: .5ch;
}

h2 { 
	margin-left: calc(.5ch * 0);
	border-color: dodgerblue;
}

h3 { 
	margin-left: calc(.5ch * 1);
	border-color: purple;
}

h4 { 
	margin-left: calc(.5ch * 2);
	border-color: green;
}

h5 { 
	margin-left: calc(.5ch * 3);
	border-color: orange;
}

h6 { 
	margin-left: calc(.5ch * 4);
	border-color: red;
}