Combine error templates.

views/pages/error.gohtml

@@ -0,0 +1,11 @@
+{{define "content"}}
+    {{if gt .StatusCode 500}}
+        <p>Please try again. Request ID: {{.RequestID}}</p>
+    {{else if  or (eq .StatusCode 403) (eq .StatusCode 401)}}
+        <p>You are not authorized to view the requested page.</p>
+    {{else if eq .StatusCode 404}}
+        <p>Click {{link (call .Reverse "home") "here" .Path}} to return home</p>
+    {{else}}
+        <p>Something went wrong</p>
+    {{end}}
+{{end}}

views/pages/errors/404.gohtml

@@ -1,3 +0,0 @@
-{{define "content"}}
-    <p>Click {{link (call .Reverse "home") "here" .Path}} to return home</p>
-{{end}}

views/pages/errors/500.gohtml

@@ -1,3 +0,0 @@
-{{define "content"}}
-    <p>Please try again</p>
-{{end}}

views/pages/register.gohtml

@@ -1,15 +1,15 @@
 {{define "content"}}
     <form method="post">
         <div class="field">
-            <label for="" class="label">Username</label>
+            <label for="username" class="label">Username</label>
             <div class="control">
-                <input type="textfield" name="username" class="input" value="{{.Data.Username}}" required>
+                <input type="text" id="username" name="username" class="input" value="{{.Data.Username}}" required>
             </div>
         </div>
         <div class="field">
-            <label for="" class="label">Password</label>
+            <label for="password" class="label">Password</label>
             <div class="control">
-                <input type="password" name="password" placeholder="*******" class="input" required>
+                <input type="password" id="password" name="password" placeholder="*******" class="input" required>
             </div>
         </div>
         <div class="field is-grouped">