doc: update scroll-padding-top to 4rem

PR-URL: #53662
Reviewed-By: Claudio Wunder <cwunder@gnome.org>
Reviewed-By: James M Snell <jasnell@gmail.com>

doc/api_assets/style.css

@@ -40,13 +40,6 @@
   --color-text-secondary: var(--green2);
 }
 
-h2 :target,
-h3 :target,
-h4 :target,
-h5 :target {
-  scroll-margin-top: 55px;
-}
-
 .dark-mode {
   --background-color-highlight: var(--black2);
   --color-critical: var(--red4);
@@ -76,7 +69,7 @@ h5 :target {
 html {
   font-size: 1rem;
   overflow-wrap: break-word;
-  scroll-padding-top: 50vh;
+  scroll-padding-top: 4rem;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
   -webkit-font-variant-ligatures: none;