diff --git a/app/item/models.py b/app/item/models.py
index 1709e1a..708adf9 100644
--- a/app/item/models.py
+++ b/app/item/models.py
@@ -7,7 +7,6 @@ import lxml.html
 
 from django.conf import settings
 from django.contrib.auth import get_user_model
-from django.core.exceptions import ValidationError
 from django.db import models
 from django.db.models.functions import ExtractWeek, ExtractYear
 from django.urls import reverse
@@ -49,10 +48,6 @@ class Item(models.Model):
                 self.get_hue()
         super().save(*args, **kwargs)
 
-    def clean(self):
-        if '/m/' not in self.url:
-            raise ValidationError("You can only use mobile urls(/m/)")
-
     def __str__(self):
         return '%s (%s)' % (self.title, self.url)
 
@@ -106,14 +101,12 @@ class Item(models.Model):
         return week, archive
 
     def get_week(self):
-        return int(self.published.strftime('%W')) if self.published else None
+        return int(self.published.strftime('%W'))
 
     def get_year(self):
-        return int(self.published.strftime('%Y')) if self.published else None
+        return int(self.published.strftime('%Y'))
 
     def get_monday(self):
-        if not self.published:
-            return None
         d = '%s-W%s' % (self.get_year(), self.get_week())
         return datetime.strptime(d + '-1', "%Y-W%W-%w").strftime('%Y-%m-%d')
 
diff --git a/app/static/css/site.scss b/app/static/css/site.scss
index 2491a8c..e792aab 100644
--- a/app/static/css/site.scss
+++ b/app/static/css/site.scss
@@ -52,10 +52,9 @@ html, body {
 }
 
 
-i, em {
+i {
     font-style: italic;
 }
-
 header, footer {
     max-width: 1000px;
     padding-top: 16px;