diff --git a/Changelog.md b/Changelog.md
index 002066b6d..c91cc6508 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -8,12 +8,12 @@
 
 # 0.7.2.0
 
-## Refactor
-
 ## Bug fixes
 * Ignore invalid `diaspora://` links [#7652](https://github.com/diaspora/diaspora/pull/7652)
+* Fix deformed avatar in hovercards [#7656](https://github.com/diaspora/diaspora/pull/7656)
 
 ## Features
+* Add birthday notifications [#7624](https://github.com/diaspora/diaspora/pull/7624)
 
 # 0.7.1.1
 
diff --git a/app/assets/stylesheets/hovercard.scss b/app/assets/stylesheets/hovercard.scss
index c664ee467..89e3b4cde 100644
--- a/app/assets/stylesheets/hovercard.scss
+++ b/app/assets/stylesheets/hovercard.scss
@@ -12,16 +12,10 @@
   font-size: small;
 
   .avatar {
-    position: relative;
     float: left;
-    height: 70px !important;
-    width: 70px !important;
-    top: 0 !important;
-
-    margin: {
-      right: 10px;
-      left: 0;
-    }
+    height: 70px;
+    object-fit: cover;
+    width: 70px;
   }
 
   $image_width: 80px; /* including margin */
diff --git a/app/controllers/notifications_controller.rb b/app/controllers/notifications_controller.rb
index 736389a64..31fb8aa38 100644
--- a/app/controllers/notifications_controller.rb
+++ b/app/controllers/notifications_controller.rb
@@ -104,7 +104,8 @@ class NotificationsController < ApplicationController
       "mentioned"            => "Notifications::MentionedInPost",
       "mentioned_in_comment" => "Notifications::MentionedInComment",
       "reshared"             => "Notifications::Reshared",
-      "started_sharing"      => "Notifications::StartedSharing"
+      "started_sharing"      => "Notifications::StartedSharing",
+      "contacts_birthday"    => "Notifications::ContactsBirthday"
     }
   end
   helper_method :types
diff --git a/app/helpers/notifications_helper.rb b/app/helpers/notifications_helper.rb
index 15f04a327..dd1a4cf9a 100644
--- a/app/helpers/notifications_helper.rb
+++ b/app/helpers/notifications_helper.rb
@@ -16,6 +16,8 @@ module NotificationsHelper
       elsif %w(Notifications::CommentOnPost Notifications::AlsoCommented Notifications::Reshared Notifications::Liked)
             .include?(note.type)
         opts.merge!(opts_for_post(note.linked_object))
+      elsif note.is_a?(Notifications::ContactsBirthday)
+        opts.merge!(opts_for_birthday(note.linked_object))
       end
     end
     translation(target_type, opts)
@@ -44,6 +46,10 @@ module NotificationsHelper
     }
   end
 
+  def opts_for_birthday(person)
+    {date: locale_date(person.birthday.to_s)}
+  end
+
   def notification_people_link(note, people=nil)
     actors =people || note.actors
     number_of_actors = actors.size
diff --git a/app/mailers/notification_mailers/contacts_birthday.rb b/app/mailers/notification_mailers/contacts_birthday.rb
new file mode 100644
index 000000000..c032e39c4
--- /dev/null
+++ b/app/mailers/notification_mailers/contacts_birthday.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+module NotificationMailers
+  class ContactsBirthday < NotificationMailers::Base
+    attr_accessor :person
+
+    def set_headers(person_id)
+      @person = Person.find(person_id)
+      @headers[:subject] = I18n.t("notifier.contacts_birthday.subject", name: @person.name)
+    end
+  end
+end
diff --git a/app/models/notifications/contacts_birthday.rb b/app/models/notifications/contacts_birthday.rb
new file mode 100644
index 000000000..ec8c3c0fe
--- /dev/null
+++ b/app/models/notifications/contacts_birthday.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module Notifications
+  class ContactsBirthday < Notification
+    def mail_job
+      Workers::Mail::ContactsBirthday
+    end
+
+    def popup_translation_key
+      "notifications.contacts_birthday"
+    end
+
+    def self.notify(contact, _recipient_user_ids)
+      recipient = contact.user
+      actor = contact.person
+      create_notification(recipient, actor, actor).try(:email_the_user, actor, actor)
+    end
+  end
+end
diff --git a/app/models/user_preference.rb b/app/models/user_preference.rb
index ef29de6a1..4f6b5f9aa 100644
--- a/app/models/user_preference.rb
+++ b/app/models/user_preference.rb
@@ -14,7 +14,8 @@ class UserPreference < ApplicationRecord
      "started_sharing",
      "also_commented",
      "liked",
-     "reshared"]
+     "reshared",
+     "contacts_birthday"]
 
   def must_be_valid_email_type
     unless VALID_EMAIL_TYPES.include?(self.email_type)
diff --git a/app/views/notifications/index.html.haml b/app/views/notifications/index.html.haml
index 61a70fe14..283eca5a3 100644
--- a/app/views/notifications/index.html.haml
+++ b/app/views/notifications/index.html.haml
@@ -30,6 +30,8 @@
                   %i.entypo-reshare
                 - when "started_sharing"
                   %i.entypo-add-user
+                - when "contacts_birthday"
+                  %i.entypo-calendar
               = t("." + key)
 
     .col-md-9.stream.notifications
diff --git a/app/views/notifier/contacts_birthday.markerb b/app/views/notifier/contacts_birthday.markerb
new file mode 100644
index 000000000..7c3dcfe57
--- /dev/null
+++ b/app/views/notifier/contacts_birthday.markerb
@@ -0,0 +1,6 @@
+
+<%= t(".birthday", name: @notification.person.name) %>
+
+[<%= t(".view_profile", name: @notification.person.name) %>][1]
+
+[1] <%= local_or_remote_person_path(@notification.person, absolute: true) %>
diff --git a/app/views/users/_edit.haml b/app/views/users/_edit.haml
index 060778b95..5b6ad6172 100644
--- a/app/views/users/_edit.haml
+++ b/app/views/users/_edit.haml
@@ -127,51 +127,55 @@
               #email_prefs
                 - if current_user.admin?
                   = type.label :someone_reported, class: "checkbox-inline" do
-                    = type.check_box :someone_reported, {checked: @email_prefs["someone_reported"]}, false, true
+                    = type.check_box :someone_reported, {checked: email_prefs["someone_reported"]}, false, true
                     = t(".someone_reported")
 
                 .small-horizontal-spacer
 
                 = type.label :started_sharing, class: "checkbox-inline" do
-                  = type.check_box :started_sharing, {checked: @email_prefs["started_sharing"]}, false, true
+                  = type.check_box :started_sharing, {checked: email_prefs["started_sharing"]}, false, true
                   = t(".started_sharing")
                 .small-horizontal-spacer
 
                 = type.label :mentioned, class: "checkbox-inline" do
-                  = type.check_box :mentioned, {checked: @email_prefs["mentioned"]}, false, true
+                  = type.check_box :mentioned, {checked: email_prefs["mentioned"]}, false, true
                   = t(".mentioned")
                 .small-horizontal-spacer
 
                 = type.label :mentioned_in_comment, class: "checkbox-inline" do
-                  = type.check_box :mentioned_in_comment, {checked: @email_prefs["mentioned_in_comment"]}, false, true
+                  = type.check_box :mentioned_in_comment, {checked: email_prefs["mentioned_in_comment"]}, false, true
                   = t(".mentioned_in_comment")
                 .small-horizontal-spacer
 
                 = type.label :liked, class: "checkbox-inline" do
-                  = type.check_box :liked, {checked: @email_prefs["liked"]}, false, true
+                  = type.check_box :liked, {checked: email_prefs["liked"]}, false, true
                   = t(".liked")
                 .small-horizontal-spacer
 
                 = type.label :reshared, class: "checkbox-inline" do
-                  = type.check_box :reshared, {checked: @email_prefs["reshared"]}, false, true
+                  = type.check_box :reshared, {checked: email_prefs["reshared"]}, false, true
                   = t(".reshared")
                 .small-horizontal-spacer
 
                 = type.label :comment_on_post, class: "checkbox-inline" do
-                  = type.check_box :comment_on_post, {checked: @email_prefs["comment_on_post"]}, false, true
+                  = type.check_box :comment_on_post, {checked: email_prefs["comment_on_post"]}, false, true
                   = t(".comment_on_post")
                 .small-horizontal-spacer
 
                 = type.label :also_commented, class: "checkbox-inline" do
-                  = type.check_box :also_commented, {checked: @email_prefs["also_commented"]}, false, true
+                  = type.check_box :also_commented, {checked: email_prefs["also_commented"]}, false, true
                   = t(".also_commented")
                 .small-horizontal-spacer
 
                 = type.label :private_message, class: "checkbox-inline" do
-                  = type.check_box :private_message, {checked: @email_prefs["private_message"]}, false, true
+                  = type.check_box :private_message, {checked: email_prefs["private_message"]}, false, true
                   = t(".private_message")
+                .small-horizontal-spacer
 
-            .small-horizontal-spacer
+                = type.label :contacts_birthday, class: "checkbox-inline" do
+                  = type.check_box :contacts_birthday, {checked: email_prefs["contacts_birthday"]}, false, true
+                  = t(".birthday")
+                .small-horizontal-spacer
 
             .clearfix= f.submit t(".change"), class: "btn btn-primary pull-right", id: "change_email_preferences"
       %hr
diff --git a/app/views/users/edit.html.haml b/app/views/users/edit.html.haml
index 0f883935f..53ec409ce 100644
--- a/app/views/users/edit.html.haml
+++ b/app/views/users/edit.html.haml
@@ -5,4 +5,4 @@
         = render "shared/settings_nav"
     .col-md-9
       .framed-content
-        = render "edit"
+        = render "edit", email_prefs: @email_prefs
diff --git a/app/views/users/edit.mobile.haml b/app/views/users/edit.mobile.haml
index 7a7b4a3ce..74617455e 100644
--- a/app/views/users/edit.mobile.haml
+++ b/app/views/users/edit.mobile.haml
@@ -5,4 +5,4 @@
 
   .row
     .col-md-12
-      = render "edit"
+      = render "edit", email_prefs: @email_prefs
diff --git a/app/workers/check_birthday.rb b/app/workers/check_birthday.rb
new file mode 100644
index 000000000..2ed919f42
--- /dev/null
+++ b/app/workers/check_birthday.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Workers
+  class CheckBirthday < Base
+    sidekiq_options queue: :low
+
+    def perform
+      profiles = Profile
+                 .where("EXTRACT(MONTH FROM birthday) = ?", Time.zone.today.month)
+                 .where("EXTRACT(DAY FROM birthday) = ?", Time.zone.today.day)
+      profiles.each do |profile|
+        profile.person.contacts.where(sharing: true, receiving: true).each do |contact|
+          Notifications::ContactsBirthday.notify(contact, [])
+        end
+      end
+    end
+  end
+end
diff --git a/app/workers/mail/contacts_birthday.rb b/app/workers/mail/contacts_birthday.rb
new file mode 100644
index 000000000..0a3072897
--- /dev/null
+++ b/app/workers/mail/contacts_birthday.rb
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+module Workers
+  module Mail
+    class ContactsBirthday < NotifierBase
+    end
+  end
+end
diff --git a/config/locales/diaspora/en.yml b/config/locales/diaspora/en.yml
index bc7dd9a2e..d00a64d11 100644
--- a/config/locales/diaspora/en.yml
+++ b/config/locales/diaspora/en.yml
@@ -642,6 +642,10 @@ en:
       zero: "%{actors} have reshared your post %{post_link}."
       one: "%{actors} has reshared your post %{post_link}."
       other: "%{actors} have reshared your post %{post_link}."
+    contacts_birthday:
+      zero: "%{actors} have their birthday on %{date}."
+      one: "%{actors} has their birthday on %{date}."
+      other: "%{actors} have their birthday on %{date}."
     also_commented_deleted:
       zero: "%{actors} commented on a deleted post."
       one: "%{actors} commented on a deleted post."
@@ -676,6 +680,7 @@ en:
       mentioned_in_comment: "Mentioned in comment"
       reshared: "Reshared"
       started_sharing: "Started sharing"
+      contacts_birthday: "Birthday"
       no_notifications: "You don't have any notifications yet."
       and_others:
         zero: "and nobody else"
@@ -720,6 +725,10 @@ en:
     reshared:
         reshared: "%{name} reshared your post"
         view_post: "View post >"
+    contacts_birthday:
+        subject: "%{name} has their birthday today"
+        birthday: "%{name} has their birthday today. Wish them 'Happy Birthday'!"
+        view_profile: "View %{name}’s profile"
     confirm_email:
         subject: "Please activate your new email address %{unconfirmed_email}"
         click_link: "To activate your new email address %{unconfirmed_email}, please follow this link:"
@@ -1213,6 +1222,7 @@ en:
       comment_on_post: "someone comments on your post"
       also_commented: "someone comments on a post you’ve commented on"
       private_message: "you receive a private message"
+      birthday: "someone has their birthday"
       download_export: "Download my profile"
       request_export: "Request my profile data"
       request_export_update: "Refresh my profile data"
diff --git a/config/schedule.yml b/config/schedule.yml
index 0d179a75b..88292df2a 100644
--- a/config/schedule.yml
+++ b/config/schedule.yml
@@ -13,3 +13,7 @@ recurring_pod_check:
 recheck_scheduled_pods:
   cron: "*/30 * * * *"
   class: "Workers::RecheckScheduledPods"
+
+check_birthday:
+  cron: "0 0 * * *"
+  class: "Workers::CheckBirthday"
diff --git a/spec/controllers/notifications_controller_spec.rb b/spec/controllers/notifications_controller_spec.rb
index 1788182a3..21b812885 100644
--- a/spec/controllers/notifications_controller_spec.rb
+++ b/spec/controllers/notifications_controller_spec.rb
@@ -81,6 +81,7 @@ describe NotificationsController, :type => :controller do
       expect(response_json["unread_count_by_type"]).to eq(
         "also_commented"       => 1,
         "comment_on_post"      => 0,
+        "contacts_birthday"    => 0,
         "liked"                => 0,
         "mentioned"            => 0,
         "mentioned_in_comment" => 0,
diff --git a/spec/mailers/notifier_spec.rb b/spec/mailers/notifier_spec.rb
index ea8ad573e..002014b05 100644
--- a/spec/mailers/notifier_spec.rb
+++ b/spec/mailers/notifier_spec.rb
@@ -79,6 +79,23 @@ describe Notifier, type: :mailer do
     end
   end
 
+  describe ".contacts_birthday" do
+    let(:contact) { alice.contact_for(bob.person) }
+    let(:mail) { Notifier.send_notification("contacts_birthday", alice.id, nil, bob.person.id) }
+
+    it "TO: goes to the right person" do
+      expect(mail.to).to eq([alice.email])
+    end
+
+    it "SUBJECT: has the name of birthday person in the subject" do
+      expect(mail.subject).to include(bob.person.name)
+    end
+
+    it "has a link to the birthday profile in the body" do
+      expect(mail.body.encoded).to include(user_profile_url(bob.person.username))
+    end
+  end
+
   describe ".mentioned" do
     before do
       @user = alice
diff --git a/spec/models/notifications/contacts_birthday_spec.rb b/spec/models/notifications/contacts_birthday_spec.rb
new file mode 100644
index 000000000..8ca85266c
--- /dev/null
+++ b/spec/models/notifications/contacts_birthday_spec.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+describe Notifications::ContactsBirthday, type: :model do
+  let(:contact) { alice.contact_for(bob.person) }
+  let(:recipient) { alice }
+  let(:actor) { bob.person }
+  let(:birthday_notification) { Notifications::ContactsBirthday.new(recipient: alice) }
+
+  describe ".notify" do
+    it "calls create_notification with contact owner as a recipient" do
+      expect(Notifications::ContactsBirthday).to receive(:create_notification).with(recipient, actor, actor)
+
+      Notifications::ContactsBirthday.notify(contact, [])
+    end
+
+    it "sends an email to the contacts owner person" do
+      allow(Notifications::ContactsBirthday).to receive(:create_notification).and_return(birthday_notification)
+      expect(alice).to receive(:mail).with(Workers::Mail::ContactsBirthday, recipient.id, actor.id, actor.id)
+
+      Notifications::ContactsBirthday.notify(contact, [])
+    end
+  end
+end
diff --git a/spec/workers/check_birthday_spec.rb b/spec/workers/check_birthday_spec.rb
new file mode 100644
index 000000000..594be68f0
--- /dev/null
+++ b/spec/workers/check_birthday_spec.rb
@@ -0,0 +1,56 @@
+# frozen_string_literal: true
+
+describe Workers::CheckBirthday do
+  let(:birthday_profile) { bob.profile }
+  let(:contact1) { alice.contact_for(bob.person) }
+  let(:contact2) { eve.contact_for(bob.person) }
+
+  before do
+    Timecop.freeze(Time.zone.local(1999, 9, 9))
+    birthday_profile.update_attributes(birthday: "1990-09-09")
+    allow(Notifications::ContactsBirthday).to receive(:notify)
+  end
+
+  after do
+    Timecop.return
+  end
+
+  it "calls notify method for the birthday person's contacts" do
+    Workers::CheckBirthday.new.perform
+    expect(Notifications::ContactsBirthday).to have_received(:notify).with(contact1, [])
+    expect(Notifications::ContactsBirthday).to have_received(:notify).with(contact2, [])
+  end
+
+  it "does nothing if the birthday does not exist" do
+    birthday_profile.update_attributes(birthday: nil)
+    Workers::CheckBirthday.new.perform
+    expect(Notifications::ContactsBirthday).not_to have_received(:notify)
+  end
+
+  it "does nothing if the person's birthday is not today" do
+    birthday_profile.update_attributes(birthday: "1988-04-15")
+    Workers::CheckBirthday.new.perform
+    expect(Notifications::ContactsBirthday).not_to have_received(:notify)
+  end
+
+  it "does not call notify method if a person is not a contact of the birthday person" do
+    contact2.destroy
+    Workers::CheckBirthday.new.perform
+    expect(Notifications::ContactsBirthday).to have_received(:notify).with(contact1, [])
+    expect(Notifications::ContactsBirthday).not_to have_received(:notify).with(contact2, [])
+  end
+
+  it "does not call notify method if a contact user is not :receiving from the birthday person" do
+    contact2.update_attributes(receiving: false)
+    Workers::CheckBirthday.new.perform
+    expect(Notifications::ContactsBirthday).to have_received(:notify).with(contact1, [])
+    expect(Notifications::ContactsBirthday).not_to have_received(:notify).with(contact2, [])
+  end
+
+  it "does not call notify method if a birthday person is not :sharing with the contact user" do
+    contact2.update_attributes(sharing: false)
+    Workers::CheckBirthday.new.perform
+    expect(Notifications::ContactsBirthday).to have_received(:notify).with(contact1, [])
+    expect(Notifications::ContactsBirthday).not_to have_received(:notify).with(contact2, [])
+  end
+end
diff --git a/spec/workers/mail/contacts_birthday_spec.rb b/spec/workers/mail/contacts_birthday_spec.rb
new file mode 100644
index 000000000..83867eb42
--- /dev/null
+++ b/spec/workers/mail/contacts_birthday_spec.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+describe Workers::Mail::ContactsBirthday do
+  describe "#perform" do
+    it "should call .deliver on the notifier object" do
+      mail_double = double
+      expect(mail_double).to receive(:deliver_now)
+      expect(Notifier).to receive(:send_notification)
+        .with("contacts_birthday", alice.id).and_return(mail_double)
+      Workers::Mail::ContactsBirthday.new.perform(alice.id)
+    end
+  end
+end