.hide{
    display:none;
}

.show {
    display:block;
}

.ng-valid[required], .ng-valid.required  {
    border-left: 5px solid #42A948; /* green */
  }
  
  .ng-invalid:not(form)  {
    border-left: 5px solid #a94442; /* red */
  }
  

  .navbar-center {
    position: absolute;
    width: 100%;
    left: 0;
    text-align: center;
    vertical-align: middle;
    margin:0 auto;
}

.invisible {
    display:none;
}

.visible {
    display:block;
}

.cursor{
    cursor: pointer;
}