Html5 - W3C validation errors - Rails(Embedded Ruby) -

Html5 - W3C validation errors - Rails(Embedded Ruby) -

kindly guide me solve these errors in sign , login views

<div class="jumbotronsignup"> <div class="container"> <div class="row"> <div class="col-md-4 col-md-offset-4 labelcolor"> <h3>sign up</h3> <%= form_for(@user) |f| %> <%= render 'shared/error_messages', object: f.object %> <%= f.label :name %> <%= f.text_field :name, autofocus: true , class: 'form-control' %> <%= f.label :email %> <%= f.text_field :email, class: 'form-control' %> <%= f.label :password %> <%= f.password_field :password, autocomplete: "off", class: 'form-control' %> <%= f.label :password_confirmation, "password confirmation" %> <%= f.password_field :password_confirmation, autocomplete: "off", class: 'form-control' %> <div> <%= f.label :is_female, "gender" %> <%= f.select :is_female, user::gender_types , {}, { :class => 'form-control' } %> </div> <div> <%= f.label :date_of_birth, :class=>'singleline' %> <%= f.date_select :date_of_birth, { :start_year => 1920, :end_year => 2010 }, :class => 'form-control date-select datetest' %> </div> <div> <%= f.label :avatar , "profile picture" %> <%= f.file_field :avatar, accept: 'image/jpeg,image/gif,image/png,image/tiff', class: 'form-control' %> </div> <div class="row text-center"> <%= f.submit "create account", class: "btn mybtn-primary btn-lg" %> </div> <% end %> </div> </div> </div><!-- end of container --> </div><!-- end of jumbotron -->

how can solve error?

and login page

<div class="jumbotronsignup"> <div class="container"> <div class="row"> <div class="col-md-4 col-md-offset-4 labelcolor"> <h3>log in</h3> <%= form_for(:session, url: login_path) |f| %> <%= f.label :email %> <%= f.text_field :email, class: 'form-control' %> <%= f.label :password %> <%= link_to "(forgot password)", new_password_reset_path %> <%= f.password_field :password, class: 'form-control' %> <%= f.label :remember_me, class: "checkbox inline" %> <%= f.check_box :remember_me %> <span>remember me on computer</span> <% end %> <div class="row text-center"> <%= f.submit "log in", class: "btn mybtn-primary btn-lg" %> <p>new user? <%= link_to "sign now!", signup_path %></p> </div> <% end %> </div> </div> </div><!-- end of container --> </div><!-- end of jumbotron -->

ruby-on-rails html5 embedded-ruby