<a href="javascript: void(0);" id="back-to-top" title="Back to Top"><i class="fa fa-chevron-up"></i></a>
@backToTopBg: #e86256;
// Back to Top
#back-to-top {
position: fixed;
bottom: 30px;
right: 30px;
z-index: 9999;
width: 45px;
height: 45px;
text-align: center;
line-height: 30px;
background: @backToTopBg;
color: #fff;
cursor: pointer;
border: 0;
text-decoration: none;
transition: opacity 0.2s ease-out;
opacity: 1;
&:hover {
background: @backToTopBg;
}
&.show {
opacity: 1;
}
i {
position: absolute;
top: 50%;
left: 50%;
-webkit-transform: translate(-50%,-50%);
-moz-transform: translate(-50%,-50%);
-o-transform: translate(-50%,-50%);
transform: translate(-50%,-50%);
}
}
var backToTopBtn = $('#back-to-top');
if (backToTopBtn.length) {
var scrollTrigger = 100; // px
var backToTop = function () {
var scrollTop = $(window).scrollTop();
if (scrollTop > scrollTrigger) {
backToTopBtn.addClass('show');
} else {
backToTopBtn.removeClass('show');
}
};
backToTop();
$(window).on('scroll', function () {
backToTop();
});
backToTopBtn.on('click', function (e) {
e.preventDefault();
$('html,body').animate({
scrollTop: 0
}, 700);
});
}