.hero-unit
  %h1 
    Create new Lab Group
    %br
    %small To participate in laborations you need to create or join an already existing lab group.
.row
  .span6
    .well.equal-height
      .center
        %br
        %h3
          = link_to 'Create a Lab Group', course_lab_groups_path("student", params[:course_id]), method: 'post'
        %br
        %h5 When created you will be able to share your group code with the classmates you want to collaborate with.
  .span6
    .well.equal-height
      .center
        %br
        %h3 
          Join an existing lab group
        %br
        = form_for(@lab_group, :url => join_course_lab_groups_path("student", params[:course_id])) do |group|
          = group.text_field :id, :placeholder => 'Enter group code'
          = group.submit 'Join', :class => 'btn-primary'
        

.hero-unit
  %h1 
    Create new Lab Group
    %br
    %small To participate in laborations you need to create or join an already existing lab group.
.row
  .span6
    .well.equal-height
      .center
        %br
        %h3
          = link_to 'Create a Lab Group', course_lab_groups_path("student", params[:course_id]), method: 'post'
        %br
        %h5 When created you will be able to share your group code with the classmates you want to collaborate with.
  .span6
    .well.equal-height
      .center
        %br
        %h3 
          Join an existing lab group
        %br
        = form_for(@lab_group, 
          url: join_course_lab_groups_path("student", params[:course_id]), 
          html: {class: "form form-horizontal"}) do |group|
          = group.text_field :id, :placeholder => 'Enter group code'
          = group.submit 'Join', class: 'btn btn-primary'
        

Correct classes and old hash syntax in join view
Correct classes and old hash syntax in join view
