thinkb4code

<!-- This HTML is converted to JSON schema for column formatting -->
<div style="position: relative; width: 37px; height: 26px; background-color: #aaa;">
    <!-- Div having color -->
    <div style="position: absolute; bottom: 0; left: 0; height: 6px; border: 1px solid #333; width: 8px; z-index: 10000;"></div>
    <div style="position: absolute; bottom: 0; left: 9px; height: 12px; border: 1px solid #333; width: 8px; z-index: 10000;"></div>
    <div style="position: absolute; bottom: 0; left: 18px; height: 18px; border: 1px solid #333; width: 8px; z-index: 10000;"></div>
    <div style="position: absolute; bottom: 0; left: 27px; height: 24px; border: 1px solid #333; width: 8px; z-index: 10000;"></div>
    <!-- Div not having color -->
    <div style="position: absolute; top: 0; left: 0; height: 18px; width: 9px; background-color: #fff; z-index: 10000;"></div>
    <div style="position: absolute; top: 0; left: 9px; height: 12px; width: 9px; background-color: #fff; z-index: 10000;"></div>

thinkb4code

$cred = Get-Credential -Message "Login to SPO"
Connect-PnPOnline https://<tenant>.sharepoint.com/sites/<site_coll> -Credentials $cred

$page = Get-PnPClientSidePage -Identity "Home.aspx"
$page.LayoutType

Set-PnPClientSidePage -Identity "Home.aspx" -LayoutType Home