<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="container">
<div class="row">
<div class="country">
<div class="country-active">
<p>lorem ipsum</p>
</div>
<div class="list">
<div class="cities-list">
<div class="list-group">
<div class="control-height list-group-item"></div>
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</a>
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<a class="list-group-item" href="#">lorem ipsum
<span class="badge">32</span>
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<a class="list-group-item" href="#">lorem ipsum
<span class="badge">32</span>
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<a class="list-group-item" href="#">lorem ipsum
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</a>
<div class="control-height list-group-item"></div>
</div>
</div>
<a class="list-control control-height up" href="#">
<span class="block-center glyphicon glyphicon-chevron-up arrow" aria-hidden="true"></span>
</a>
<a class="list-control control-height down" href="#">
<span class="glyphicon glyphicon-chevron-down arrow" aria-hidden="true"></span>
</a>
</div>
</div>
</div>
</div>
.list {
height: 300px;
position: relative;
width: 100%;
}
.cities-list{
height: inherit;
width: 100%;
overflow: hidden;
}
.cities-list a {
width: 100%;
text-decoration: none;
display: block;
color: #000;
}
.list-control {
position: absolute;
width: 100%;
left: 0;
font-size: 20px;
color: #fff;
text-align: center;
text-shadow: 0 1px 2px rgba(0,0,0,.6);
background-color: rgba(0,0,0,0);
filter: alpha(opacity=50);
opacity: .4;
}
.list .up{
top: 0;
background: -moz-linear-gradient(top, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0) 100%); /* FF3.6-15 */
background: -webkit-linear-gradient(top, rgba(0,0,0,0.5) 0%,rgba(0,0,0,0) 100%); /* Chrome10-25,Safari5.1-6 */
background: linear-gradient(to bottom, rgba(0,0,0,0.5) 0%,rgba(0,0,0,0) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#a6000000', endColorstr='#00000000',GradientType=0 ); /* IE6-9 */
}
.list .up:hover{
top: 0;
background: -moz-linear-gradient(top, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0) 100%); /* FF3.6-15 */
background: -webkit-linear-gradient(top, rgba(0,0,0,0.65) 0%,rgba(0,0,0,0) 100%); /* Chrome10-25,Safari5.1-6 */
background: linear-gradient(to bottom, rgba(0,0,0,0.65) 0%,rgba(0,0,0,0) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#a6000000', endColorstr='#00000000',GradientType=0 ); /* IE6-9 */
}
.list .down{
bottom: 0;
background: -moz-linear-gradient(top, rgba(0,0,0,0) 0%, rgba(0,0,0,0.4) 100%); /* FF3.6-15 */
background: -webkit-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,0.4) 100%); /* Chrome10-25,Safari5.1-6 */
background: linear-gradient(to bottom, rgba(0,0,0,0) 0%,rgba(0,0,0,0.4) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00000000', endColorstr='#a6000000',GradientType=0 ); /* IE6-9 */
}
.list .down:hover{
bottom: 0;
background: -moz-linear-gradient(top, rgba(0,0,0,0) 0%, rgba(0,0,0,0.65) 100%); /* FF3.6-15 */
background: -webkit-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,0.65) 100%); /* Chrome10-25,Safari5.1-6 */
background: linear-gradient(to bottom, rgba(0,0,0,0) 0%,rgba(0,0,0,0.65) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00000000', endColorstr='#a6000000',GradientType=0 ); /* IE6-9 */
}
.control-height{
height: 45px;
}
.list .list-group{
margin-bottom: 0;
}
.arrow{
top: 13px;
}
var step = 100;
var scrolling = false;
// Wire up events for the 'scrollUp' link:
$(".up").bind("click", function(event) {
event.preventDefault();
// Animates the scrollTop property by the specified
// step.
$(".cities-list").animate({
scrollTop: "-=" + step + "px"
});
}).bind("mouseover", function(event) {
scrolling = true;
scrollContent("up");
}).bind("mouseout", function(event) {
scrolling = false;
});
$(".down").bind("click", function(event) {
event.preventDefault();
$(".cities-list").animate({
scrollTop: "+=" + step + "px"
});
}).bind("mouseover", function(event) {
scrolling = true;
scrollContent("down");
}).bind("mouseout", function(event) {
scrolling = false;
});
function scrollContent(direction) {
var amount = (direction === "up" ? "-=1px" : "+=1px");
$(".cities-list").animate({
scrollTop: amount
}, 1, function() {
if (scrolling) {
scrollContent(direction);
}
});
}
