Change button style and layout

app/partials/students/student_create.html

@@ -71,13 +71,14 @@
                     <label>&nbsp;</label>
                     <p class="input-group">
                     <span class="input-group-btn">
-                        <button type="submit" class="btn-primary btn">
+                        <button type="submit" class="btn-success btn">
                             Agregar Alumno </button>
+                        <button type="button" class="btn-warning btn" style="margin: 10px" ng-click="vm.back()">Regresar</button>
                     </span>
                     </p>
                 </div>
             </div>
         </div> 
     </form>
-    <a class="btn-warning btn" style="margin: 10px" ng-click="vm.back()">Regresar</a>
+    
 </div>