Fix the incorrect header spacing across all text

web/components/common/ContentHeader/ContentHeader.module.scss

@@ -40,6 +40,7 @@
     font-size: 1.7rem;
     font-weight: bold;
     line-height: 30px;
+    margin: unset;
   }
 
   .subtitle {
@@ -48,6 +49,7 @@
     line-height: 1.3;
     color: var(--theme-color-background-header);
     max-width: 900px;
+    margin-top: 7px;
   }
 }
 

web/components/ui/CustomPageContent/CustomPageContent.module.scss

@@ -9,6 +9,7 @@
   line-height: 1.6em;
   color: var(--theme-color-components-text-on-light);
   padding: calc(2 * var(--content-padding));
+  padding-top: unset;
   border-radius: var(--theme-rounded-corners);
   width: 100%;
   background-color: var(--theme-color-components-content-background);

web/components/ui/Header/Header.module.scss

@@ -10,6 +10,11 @@
   box-shadow: 0px 1px 3px 1px rgb(0 0 0 / 10%);
   background-color: var(--theme-color-background-header);
 
+  h1 {
+    margin-top: unset;
+    margin-bottom: unset;
+  }
+
   @include screen(mobile) {
     --header-height: 3.85rem;
   }

web/styles/globals.scss

@@ -38,6 +38,8 @@ body {
   h6,
   p {
     padding: 0;
+    margin-top: revert;
+    margin-bottom: revert;
   }
 
   h1,