fix: responsive youtube embed (closes #1167)

Jacky Zhao

2024-08-06 ca3943b5007ea7cb6a27bbf3e02648d5271231ea

 quartz/components/styles/clipboard.scss

@@ -4,7 +4,7 @@
  float: right;
  right: 0;
  padding: 0.4rem;
  margin: -0.2rem 0.3rem;
  margin: 0.3rem;
  color: var(--gray);
  border-color: var(--dark);
  background-color: var(--light);