timeline/css/timeline.css

/* Example: .circle { @include circle(200px, #999); } */
@import url("//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap-glyphicons.css");
* {
  margin: 0;
  padding: 0; }

body, html {
  min-height: 100%;
  min-width: 100%; }

body {
  background: #ccc;
  font-family: "Arial", sans-serif; }

p {
  margin: 10px 0; }

ul {
  display: table; }

ul > li {
  display: table-row; }

ul > li::before {
  content: "\21D2";
  display: table-cell;
  padding: 5px 5px 0 0;
  text-align: right; }

#time-line {
  border-left: 5px solid purple;
  z-index: -100;
  display: inline-block;
  height: 100%;
  margin-left: 49.75%;
  margin-top: 70px;
  min-height: 100%;
  position: absolute; }

.container {
  margin: auto;
  min-width: 480px;
  overflow: hidden;
  position: relative;
  width: 940px; }

header {
  background: #5e6482;
  color: white;
  height: 70px;
  text-align: center; }

#timeline {
  height: 100%;
  min-height: 700px;
  margin: 20px 0; }

.cube {
  margin-bottom: 20px;
  min-height: 100px;
  width: 100%; }

.year {
  background: purple;
  display: block;
  height: 70px;
  line-height: 70px;
  width: 70px;
  z-index: 10;
  border-radius: 35px;
  -webkit-border-radius: 35px;
  -moz-border-radius: 35px;
  margin: auto;
  text-align: center; }

.year div {
  color: white;
  display: block;
  font-size: 18px;
  font-weight: bold;
  margin-top: 20px;
  text-align: center; }

.event {
  margin: auto;
  overflow: hidden;
  visibility: visible;
  width: 90%; }

.event div.circle-left {
  background: purple;
  display: inline-block;
  height: 33px;
  line-height: 33px;
  width: 33px;
  z-index: 10;
  border-radius: 16.5px;
  -webkit-border-radius: 16.5px;
  -moz-border-radius: 16.5px;
  margin-left: 26px; }

.event div.left {
  float: left;
  position: relative;
  width: 45%;
  -webkit-animation: fade;
  -webkit-animation-duration: 2s; }

.event div.left span {
  color: white;
  float: right;
  font-size: 46px;
  position: relative;
  top: -10px; }

.event div.left div {
  background: white;
  border-radius: 10px;
  margin-right: 30px;
  padding: 15px; }

.event div.circle-right {
  background: purple;
  display: inline-block;
  height: 33px;
  line-height: 33px;
  width: 33px;
  z-index: 10;
  border-radius: 16.5px;
  -webkit-border-radius: 16.5px;
  -moz-border-radius: 16.5px;
  margin-left: 407px; }

.event div.right {
  float: right;
  position: relative;
  width: 45%;
  -webkit-animation: fade;
  -webkit-animation-duration: 2s; }

.event div.right span {
  color: white;
  float: left;
  font-size: 46px;
  position: relative;
  -webkit-transform: rotate(180deg);
  -ms-transform: rotate(180deg);
  transform: rotate(180deg); }

.event div.right div {
  background: white;
  border-radius: 10px;
  margin-left: 30px;
  padding: 15px; }

.event time {
  background: SlateBlue;
  color: white;
  font-size: 12px;
  padding: 5px;
  border-radius: 5px; }

footer {
  background: #5e6482;
  bottom: 0;
  color: white;
  height: 40px;
  text-align: center; }

@media screen and (max-width: 940px) {
  .container {
    min-width: 720px;
    width: 800px; }
  header {
    height: 60px; }
  h1 {
    font-size: 23px; }
  #time-line {
    margin: 25px 214px; }
  .year {
    background: purple;
    display: block;
    height: 70px;
    line-height: 70px;
    width: 70px;
    z-index: 0;
    border-radius: 35px;
    -webkit-border-radius: 35px;
    -moz-border-radius: 35px;
    margin: 0 180px;
    text-align: left; }
  .event div {
    position: relative;
    width: 340px; }
  .event div.circle-left {
    background: purple;
    display: inline-block;
    height: 33px;
    line-height: 33px;
    width: 33px;
    z-index: 10;
    border-radius: 16.5px;
    -webkit-border-radius: 16.5px;
    -moz-border-radius: 16.5px;
    margin-left: 160px; }
  .event div.left {
    float: right;
    margin-right: 180px;
    width: 330px; }
  .event div.left span {
    color: white;
    float: left;
    font-size: 46px;
    position: relative;
    top: 0;
    -webkit-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    transform: rotate(180deg); }
  .event div.right {
    margin-right: 190px;
    width: 320px; }
  .event div.left div {
    margin-left: 30px;
    margin-right: 0; }
  .event div.circle-right {
    background: purple;
    display: inline-block;
    height: 33px;
    line-height: 33px;
    width: 33px;
    z-index: 10;
    border-radius: 16.5px;
    -webkit-border-radius: 16.5px;
    -moz-border-radius: 16.5px;
    margin-left: 160px; } }

@media screen and (max-width: 720px) {
  .container {
    min-width: 300px;
    width: 480px; }
  header {
    height: 60px; }
  h1 {
    font-size: 23px; }
  #time-line {
    margin: 25px 63px; }
  .year {
    background: purple;
    display: block;
    height: 70px;
    line-height: 70px;
    width: 70px;
    z-index: 0;
    border-radius: 35px;
    -webkit-border-radius: 35px;
    -moz-border-radius: 35px;
    margin: 0 30px;
    text-align: left; }
  .event div {
    position: relative;
    width: 300px; }
  .event div.circle-left {
    background: purple;
    display: inline-block;
    height: 33px;
    line-height: 33px;
    width: 33px;
    z-index: 10;
    border-radius: 16.5px;
    -webkit-border-radius: 16.5px;
    -moz-border-radius: 16.5px;
    margin-left: 24px; }
  .event div.left {
    margin-right: 50px;
    width: 320px; }
  .event div.left span {
    color: white;
    float: left;
    font-size: 46px;
    position: relative;
    top: 0;
    -webkit-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    transform: rotate(180deg); }
  .event div.right {
    margin-right: 50px;
    width: 320px; }
  .event div.left div {
    margin-left: 30px;
    margin-right: 0; }
  .event div.circle-right {
    background: purple;
    display: inline-block;
    height: 33px;
    line-height: 33px;
    width: 33px;
    z-index: 10;
    border-radius: 16.5px;
    -webkit-border-radius: 16.5px;
    -moz-border-radius: 16.5px;
    margin-left: 24px; } }

@-webkit-keyframes fade {
  0% {
    opacity: 0; }
  100% {
    opacity: 1; } }