<style>
/* Note: Try to remove the following lines to see the effect of CSS positioning */
.affix {
top: 0;
width: 100%;
z-index: 9999 !important;
}
.affix + .container-fluid {
/*padding-top: 70px;*/
}
</style>
<div class="container-fluid" data-spy="affix" data-offset-top="0">