anchor.diff:                 <a class="thumbnail" href=<%=@user.photo_four.url%> target="_blank">
                    <img src=<%=@user.photo_four.url%> class="img-responsive">
                  </a>
  -               <%= f.file_field :photo_four, style: "text-indent: 0px"%><br>
  +               <%= f.file_field :photo_four, style: "text-indent: 0px", required: true %><br>
                  <div class="form-group">
                     <div class="col-sm-5">
                       <input type="submit" class="btn btn-danger" value="Change Fourth Picture">
  
positive.code:                <a class="thumbnail" href=<%=@user.photo_one.url%> target="_blank">
                   <img src=<%=@user.photo_one.url%> class="img-responsive">
                 </a>
                 <%= f.file_field :photo_one, style: "text-indent: 0px"%><br>
                 <div class="form-group">
                    <div class="col-sm-5">
                      <input type="submit" class="btn btn-danger" value="Change Profile Picture">
  
negative.code:                 </h3>
                    <div class="form-group">
                      <div class="col-sm-16">
                        <%= f.file_field :resume, style: "text-indent: 0px", required: true %>
                      </div>
                    </div>
                    <div class="form-group">
  