HTML/CSS/CSS Attributes and Javascript Style Properties/layout grid line
"layout-grid-line" Example
<html>
<body>
<p style="layout-grid-line:14px">This is only a sample text.</p>
<br>
<p id="myP">This is only a sample text.</p>
<button onclick="myP.style.layoutGridLine="40px"">
Set layoutGridLine to 40px
</button>
</body>
</html>