Adjustning header, heading and img margins.

assets/sass/base/grouping/_grouping.scss

@@ -53,14 +53,11 @@ li {
   }
 }
 
-// Figures
+// Header
 
-figure {
+header {
   // Add vertical rhythm margins.
-  @include margin-block(0 1);
-
-  // Remove defult inline margins.
-  @include margin-inline(0);
+  @include margin-block(0 .3);
 }
 
 // Horizontal rule

assets/sass/base/headings/_headings.scss

@@ -15,13 +15,18 @@ h5,
 %h5,
 h6,
 %h6 {
-  @include margin-block(1 0.375, 'em');
+  @include margin-block(1 .3, 'em');
   color: var(--color-headings);
   font-family: var(--ff-headings);
   font-weight: var(--fw-headings);
   line-height: var(--heading-line-height);
   text-wrap: balance;
 
+  // Smaller margin when a headeing is right after another heading.
+  & + & {
+    @include margin-block-start(.5, 'em');
+  }
+
   // Set max text line width in main for readability.
   .main & {
     max-width: var(--max-line-width);

assets/sass/base/images/_images.scss

@@ -2,6 +2,9 @@
 
 figure,
 img {
+  // Add vertical rhythm margins.
+  @include margin-block(0 1);
+
   &.image {
     --image-padding: .75rem;
 
@@ -30,6 +33,14 @@ img {
 }
 
 figure {
+  // Remove defult inline margins.
+  @include margin-inline(0);
+
+  // Remove margin from img inside figure.
+  img {
+    margin: 0;
+  }
+
   &.image {
     figcaption {
       padding-block-start: var(--image-padding);

assets/sass/mixins/spacing/_spacing.scss

@@ -44,7 +44,7 @@
 }
 
 @mixin margin-block-end($x, $unit: 'rem') {
-  @include spacing(margin-inline-end, $x, $unit);
+  @include spacing(margin-block-end, $x, $unit);
 }
 
 @mixin margin-top($x, $unit: 'rem') {