fix: responsive youtube embed (closes #1167)

Jacky Zhao

2024-08-06 ca3943b5007ea7cb6a27bbf3e02648d5271231ea

 quartz/styles/variables.scss

@@ -1,6 +1,9 @@
$pageWidth: 750px;
$mobileBreakpoint: 600px;
$tabletBreakpoint: 1200px;
$sidePanelWidth: 400px;
$tabletBreakpoint: 1000px;
$sidePanelWidth: 380px;
$topSpacing: 6rem;
$fullPageWidth: $pageWidth + 2 * $sidePanelWidth
$fullPageWidth: $pageWidth + 2 * $sidePanelWidth;
$boldWeight: 700;
$semiBoldWeight: 600;
$normalWeight: 400;