.head--clone{position:fixed;z-index:999999999999;top:0;left:0;width:100%;background:#fff;-webkit-transform:translateY(-100%);-ms-transform:translateY(-100%);transform:translateY(-100%);-webkit-transition:all 200ms ease-in-out;-moz-transition:all 200ms ease-in-out;transition:all 200ms ease-in-out;}
.head--stick{-webkit-transform:translateY(0%);-ms-transform:translateY(0%);transform:translateY(0%);-webkit-box-shadow:0px -1px 15px -2px rgba(0,0,0,0.32);-moz-box-shadow:0px -1px 15px -2px rgba(0,0,0,0.32);box-shadow:0px -1px 15px -2px rgba(0,0,0,0.32);}
.head--unstick{}