content/static: fix main page section targets

Updates styles for main page sections to fix
target link click. This makes sure the content
appears below the fixed header when target links
are clicked.

Change-Id: Icfb97f00d82aeb3b46e30cae0b379249453f6e96
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/261500
Trust: Jamal Carvalho <jamal@golang.org>
Run-TryBot: Jamal Carvalho <jamal@golang.org>
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Julie Qiu <julie@golang.org>
diff --git a/content/static/css/unit_directories.css b/content/static/css/unit_directories.css
index 260e364..0b3edcf 100644
--- a/content/static/css/unit_directories.css
+++ b/content/static/css/unit_directories.css
@@ -7,17 +7,8 @@
 .UnitDirectories {
   margin-bottom: 2rem;
 }
-.UnitDirectories::before {
-  content: '';
-  display: block;
-  position: relative;
-  width: 0;
-  height: 3.5rem;
-  margin-top: -3.5rem;
-}
 .UnitDirectories-title {
   border-bottom: 0.0625rem solid var(--gray-8);
-  display: flex;
   font-size: 1.375rem;
   margin: 0.5rem 0 0 0;
   padding-bottom: 1rem;
diff --git a/content/static/css/unit_doc.css b/content/static/css/unit_doc.css
index a8f1523..a8b8df2 100644
--- a/content/static/css/unit_doc.css
+++ b/content/static/css/unit_doc.css
@@ -10,17 +10,8 @@
 .UnitDoc {
   margin-bottom: 2rem;
 }
-.UnitDoc::before {
-  content: '';
-  display: block;
-  position: relative;
-  width: 0;
-  height: 3.5rem;
-  margin-top: -3.5rem;
-}
 .UnitDoc-title {
   border-bottom: 0.0625rem solid var(--gray-8);
-  display: flex;
   font-size: 1.375rem;
   margin: 0.5rem 0 0 0;
   padding-bottom: 1rem;
diff --git a/content/static/css/unit_files.css b/content/static/css/unit_files.css
index 8f395cc..189c521 100644
--- a/content/static/css/unit_files.css
+++ b/content/static/css/unit_files.css
@@ -7,17 +7,8 @@
 .UnitFiles {
   margin-bottom: 2rem;
 }
-.UnitFiles::before {
-  content: '';
-  display: block;
-  position: relative;
-  width: 0;
-  height: 3.5rem;
-  margin-top: -3.5rem;
-}
 .UnitFiles-title {
   border-bottom: 0.0625rem solid var(--gray-8);
-  display: flex;
   font-size: 1.375rem;
   margin: 0.5rem 0 0 0;
   padding-bottom: 1rem;
diff --git a/content/static/css/unit_readme.css b/content/static/css/unit_readme.css
index 65f910c..d01b693 100644
--- a/content/static/css/unit_readme.css
+++ b/content/static/css/unit_readme.css
@@ -7,17 +7,8 @@
 .UnitReadme {
   margin-bottom: 2rem;
 }
-.UnitReadme::before {
-  content: '';
-  display: block;
-  position: relative;
-  width: 0;
-  height: 3.5rem;
-  margin-top: -3.5rem;
-}
 .UnitReadme-title {
   border-bottom: 0.0625rem solid var(--gray-8);
-  display: flex;
   font-size: 1.375rem;
   margin: 0.5rem 0 0 0;
   padding-bottom: 1rem;