<script src="https://code.jquery.com/jquery-3.1.0.min.js"></script>
<p id="bottom"><a href="#">Вниз</a></p>
<script>
$(document).ready(function() {
$('#bottom').click(function(){
$('html, body').animate({scrollTop:$(document).height()}, 'slow');
return false;
});
});
</script>
$(document).ready(function(){
$('.read-moore').click(function(){
$('.article').parent().toggleClass('active');
});
});
<header id="header">
<div class="row">
<div class="col-xs-12">
...
</div>
</div>
</header>
#header {
background: url(../img/bg.jpg) 0 0 no-repeat fixed;
height: 100%;
overflow: hidden;
color: #FFFFFF
}
.row{
background: rgba(39,62,84,0.82);
overflow: hidden;
height: 100%;
z-index: 2;
}