fix: remove excessive top margin on index.html

Author: hegemonic

static/css/baseline.css

@@ -87,6 +87,13 @@ h2,
   }
 }
 
+@each $level in (2, 3) {
+  .symbol-index:first-child h#{$level},
+  .symbol-index:first-child .h#{$level} {
+    margin-block-start: 0;
+  }
+}
+
 @each $level in (4, 5, 6) {
   h#{$level},
   .h#{$level} {