adds css for `left-top-menu`. Also hides buttons in certain for factors.

app/assets/stylesheets/framework/common.scss

@@ -374,9 +374,9 @@ table {
   }
 }
-.center-top-menu {
+.center-top-menu, .left-top-menu {
   @include nav-menu;
-  text-align: left;
+  text-align: center;
   margin-top: 5px;
   margin-bottom: $gl-padding;
   height: auto;
@@ -409,6 +409,10 @@ table {
   }
 }
+.left-top-menu {
+  text-align: left;
+}
+
 .center-middle-menu {
   @include nav-menu;
   padding: 0;

app/assets/stylesheets/framework/mobile.scss

@@ -81,7 +81,7 @@
     display: none;
   }
-  .center-top-menu {
+  .center-top-menu, .left-top-menu {
     li a {
       font-size: 14px;
       padding: 19px 10px;

app/assets/stylesheets/pages/projects.scss

@@ -338,7 +338,7 @@ ul.nav.nav-projects-tabs {
 .top-area {
   border-bottom: 1px solid #EEE;
-  ul.center-top-menu {
+  ul.left-top-menu {
     display: inline-block;
     width: 50%;
     margin-bottom: 0px;
@@ -350,12 +350,19 @@ ul.nav.nav-projects-tabs {
     display: inline-block;
     float: right;
     padding-top: 7px;
+    text-align: right;
     .btn-green {
       margin-top: -2px;
       margin-left: 10px;
     }
   }
+
+  @media (max-width: $screen-xs-max) {
+    .projects-search-form {
+      padding-top: 15px;
+    }
+  }
 }
 .fork-namespaces {

app/views/dashboard/_projects_head.html.haml

 = content_for :flash_message do
   = render 'shared/project_limit'
 .top-area
-  %ul.center-top-menu
+  %ul.left-top-menu
     = nav_link(page: [dashboard_projects_path, root_path]) do
       = link_to dashboard_projects_path, title: 'Home', class: 'shortcuts-activity', data: {placement: 'right'} do
         Your Projects
@@ -13,7 +13,7 @@
         Explore Projects
   .projects-search-form  
-    = search_field_tag :filter_projects, nil, placeholder: 'Filter by name...', class: 'projects-list-filter form-control', spellcheck: false
+    = search_field_tag :filter_projects, nil, placeholder: 'Filter by name...', class: 'projects-list-filter form-control hidden-xs', spellcheck: false
     - if current_user.can_create_project?
       = link_to new_project_path, class: 'btn btn-green' do
         %i.fa.fa-plus