<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="col-lg-12">
<h3 class="text-center">Zigzag Timeline Layout (and Cats)</h3>
<p>
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
</p>
<ul class="timeline">
<li>
<div class="timeline-image">
<img class="img-circle img-responsive" src="http://lorempixel.com/250/250/cats/1" alt="">
</div>
<div class="timeline-panel">
<div class="timeline-heading">
<h4>Step One</h4>
<h4 class="subheading">Subtitle</h4>
</div>
<div class="timeline-body">
<p class="text-muted">
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
</p>
</div>
</div>
<div class="line"></div>
</li>
<li class="timeline-inverted">
<div class="timeline-image">
<img class="img-circle img-responsive" src="http://lorempixel.com/250/250/cats/2" alt="">
</div>
<div class="timeline-panel">
<div class="timeline-heading">
<h4>Step Two</h4>
<h4 class="subheading">Subtitle</h4>
</div>
<div class="timeline-body">
<p class="text-muted">
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
</p>
</div>
</div>
<div class="line"></div>
</li>
<li>
<div class="timeline-image">
<img class="img-circle img-responsive" src="http://lorempixel.com/250/250/cats/3" alt="">
</div>
<div class="timeline-panel">
<div class="timeline-heading">
<h4>Step Three</h4>
<h4 class="subheading">Subtitle</h4>
</div>
<div class="timeline-body">
<p class="text-muted">
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
</p>
</div>
</div>
<div class="line"></div>
</li>
<li class="timeline-inverted">
<div class="timeline-image">
<img class="img-circle img-responsive" src="http://lorempixel.com/250/250/cats/4" alt="">
</div>
<div class="timeline-panel">
<div class="timeline-heading">
<h4>Step Three</h4>
<h4 class="subheading">Subtitle</h4>
</div>
<div class="timeline-body">
<p class="text-muted">
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
</p>
</div>
</div>
<div class="line"></div>
</li>
<li>
<div class="timeline-image">
<img class="img-circle img-responsive" src="http://lorempixel.com/250/250/cats/5" alt="">
</div>
<div class="timeline-panel">
<div class="timeline-heading">
<h4>Bonus Step</h4>
<h4 class="subheading">Subtitle</h4>
</div>
<div class="timeline-body">
<p class="text-muted">
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
</p>
</div>
</div>
</li>
</ul>
</div>
</div>
</div>
.howline {
position: relative;
padding:4px 0 0 0;
margin-top:22px;
list-style: none;
}
.howline>li:nth-child(even) {
position: relative;
margin-bottom: 50px;
height: 180px;
right:-100px;
}
.howline>li:nth-child(odd) {
position: relative;
margin-bottom: 50px;
height: 180px;
left:-100px;
}
.howline>li:before,
.howline>li:after {
content: " ";
display: table;
}
.howline>li:after {
clear: both;
min-height: 170px;
}
.howline> li ..howline-panel {
position: relative;
float: left;
width: 41%;
padding: 0 20px 20px 30px;
text-align: right;
}
.howline>li ..howline-panel:before {
right: auto;
left: -15px;
border-right-width: 15px;
border-left-width: 0;
}
.howline>li .howline-panel:after {
right: auto;
left: -14px;
border-right-width: 14px;
border-left-width: 0;
}
.howline>li .howline-image {
z-index: 100;
position: absolute;
left: 50%;
border: 7px solid #3b5998;
border-radius: 100%;
background-color: #3b5998;
box-shadow: 0 0 5px #4582ec;
width: 200px;
height: 200px;
margin-left: -100px;
}
.howline>li .howline-image h4 {
margin-top: 12px;
font-size: 10px;
line-height: 14px;
}
.howline>li..howline-inverted>.howline-panel {
float: right;
padding: 0 30px 20px 20px;
text-align: left;
}
.howline>li..howline-inverted>.howline-panel:before {
right: auto;
left: -15px;
border-right-width: 15px;
border-left-width: 0;
}
.howline>li.timeline-inverted>.timeline-panel:after {
right: auto;
left: -14px;
border-right-width: 14px;
border-left-width: 0;
}
.timeline>li:last-child {
margin-bottom: 0;
}
.timeline .timeline-heading h4 {
margin-top:22px;
margin-bottom: 4px;
padding:0;
color: #b3b3b3;
}
.timeline .timeline-heading h4.subheading {
margin:0;
padding:0;
text-transform: none;
font-size:18px;
color:#333333;
}
.timeline .timeline-body>p,
.timeline .timeline-body>ul {
margin-bottom: 0;
color:#808080;
}
/*Style for even div.line*/
.timeline>li:nth-child(odd) .line:before {
content: "";
position: absolute;
top: 60px;
bottom: 0;
left: 690px;
width: 4px;
height:340px;
background-color: #3b5998;
-ms-transform: rotate(-44deg); /* IE 9 */
-webkit-transform: rotate(-44deg); /* Safari */
transform: rotate(-44deg);
box-shadow: 0 0 5px #4582ec;
}
/*Style for odd div.line*/
.timeline>li:nth-child(even) .line:before {
content: "";
position: absolute;
top: 60px;
bottom: 0;
left: 450px;
width: 4px;
height:340px;
background-color: #3b5998;
-ms-transform: rotate(44deg); /* IE 9 */
-webkit-transform: rotate(44deg); /* Safari */
transform: rotate(44deg);
box-shadow: 0 0 5px #4582ec;
}
/* Medium Devices, .visible-md-* */
@media (min-width: 992px) and (max-width: 1199px) {
.timeline > li:nth-child(even) {
margin-bottom: 0px;
min-height: 0px;
right: 0px;
}
.timeline > li:nth-child(odd) {
margin-bottom: 0px;
min-height: 0px;
left: 0px;
}
.timeline>li:nth-child(even) .timeline-image {
left: 0;
margin-left: 0px;
}
.timeline>li:nth-child(odd) .timeline-image {
left: 690px;
margin-left: 0px;
}
.timeline > li:nth-child(even) .timeline-panel {
width: 76%;
padding: 0 0 20px 0px;
text-align: left;
}
.timeline > li:nth-child(odd) .timeline-panel {
width: 70%;
padding: 0 0 20px 0px;
text-align: right;
}
.timeline > li .line {
display: none;
}
}
/* Small Devices, Tablets */
@media (min-width: 768px) and (max-width: 991px) {
.timeline > li:nth-child(even) {
margin-bottom: 0px;
min-height: 0px;
right: 0px;
}
.timeline > li:nth-child(odd) {
margin-bottom: 0px;
min-height: 0px;
left: 0px;
}
.timeline>li:nth-child(even) .timeline-image {
left: 0;
margin-left: 0px;
}
.timeline>li:nth-child(odd) .timeline-image {
left: 520px;
margin-left: 0px;
}
.timeline > li:nth-child(even) .timeline-panel {
width: 70%;
padding: 0 0 20px 0px;
text-align: left;
}
.timeline > li:nth-child(odd) .timeline-panel {
width: 70%;
padding: 0 0 20px 0px;
text-align: right;
}
.timeline > li .line {
display: none;
}
}
/* Custom, iPhone Retina */
@media only screen and (max-width: 767px) {
.timeline > li:nth-child(even) {
margin-bottom: 0px;
min-height: 0px;
right: 0px;
}
.timeline > li:nth-child(odd) {
margin-bottom: 0px;
min-height: 0px;
left: 0px;
}
.timeline>li .timeline-image {
position: static;
width: 150px;
height: 150px;
margin-bottom:0px;
}
.timeline>li:nth-child(even) .timeline-image {
left: 0;
margin-left: 0;
}
.timeline>li:nth-child(odd) .timeline-image {
float:right;
left: 0px;
margin-left:0;
}
.timeline > li:nth-child(even) .timeline-panel {
width: 100%;
padding: 0 0 20px 14px;
}
.timeline > li:nth-child(odd) .timeline-panel {
width: 100%;
padding: 0 14px 20px 0px;
}
.timeline > li .line {
display: none;
}
}