fix styles

src/client/theme-default/styles/components/vp-doc.css

@@ -8,7 +8,7 @@
 .vp-doc h4,
 .vp-doc h5,
 .vp-doc h6 {
-  display: flex;
+  position: relative;
   font-weight: 600;
   outline: none;
 }
@@ -37,8 +37,9 @@
 
 .vp-doc .header-anchor {
   position: absolute;
+  top: 0;
+  left: 0;
   margin-left: -0.87em;
-  padding-right: 0.23em;
   font-weight: 500;
   user-select: none;
   opacity: 0;
@@ -74,6 +75,10 @@
   }
 }
 
+.vp-doc h2 .header-anchor {
+  top: 24px;
+}
+
 /**
  * Paragraph and inline elements
  * -------------------------------------------------------------------------- */