.pinning-nav {

  left: 0;

  right: 0;

  top: 0;

  -moz-transition: 0.3s all;

  -webkit-transition: 0.3s all;

  transition: 0.3s all;

  z-index: 10;

  -webkit-box-shadow:0 4px 8px rgba(0,0,0,0.3);

  box-shadow:0 4px 8px rgba(0,0,0,0.3);

  -moz-box-shadow:0 4px 8px rgba(0,0,0,0.3);

  border-radius:4px;

  background:rgba(255, 255, 255, 0.88);

}