[chore] Refactor HTML templates and CSS (#2480)

* [chore] Refactor HTML templates and CSS

* eslint

* ignore "Local"

* rss tests

* fiddle with OG just a tiny bit

* dick around with polls a bit more so SR stops saying "clickable"

* remove break

* oh lord

* don't lazy load avatar

* fix ogmeta tests

* clean up some cruft

* catch remaining calls to c.HTML

* fix error rendering + stack overflow in tag

* allow templating attributes

* fix indent

* set aria-hidden on status complementary content, since it's already present in the label anyway

* tidy up templating calls a little

* try to make styling a bit more consistent + readable

* fix up some remaining CSS issues

* fix up reports

web/template/sign-in.tmpl

@@ -17,10 +17,10 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */ -}}
 
-{{ template "header.tmpl" .}}
+{{- with . }}
 <main>
-    <section class="login">
-        <h1>Login</h1>
+    <section class="sign-in" aria-labelledby="sign-in">
+        <h2 id="sign-in">Sign in</h2>
         <form action="/auth/sign_in" method="POST">
             <div class="labelinput">
                 <label for="email">Email</label>
@@ -30,8 +30,8 @@
                 <label for="password">Password</label>
                 <input type="password" class="form-control" name="password" required placeholder="Please enter your password">
             </div>
-            <button type="submit" class="btn btn-success">Login</button>
+            <button type="submit" class="btn btn-success">Sign in</button>
         </form>
     </section>
 </main>
-{{ template "footer.tmpl" .}}
+{{- end }}