/* apply a natural box layout model to all elements, but allowing components to change */
 html {
    box-sizing: border-box;
}
*, *:before, *:after {
    box-sizing: inherit;
}

.timeline {
    text-align: center;
}
.timeline .year {
    display: inline-block;
    font-size: 36px;
    font-weight: bold;
    position: relative;
}
.timeline .year span {
    display: inline-block;
    padding-bottom: 6px;
}
.timeline .year:after {
    content: "";
    display: block;
    width: 80%;
    margin: auto;
    height: 1px;
    background: #26b;
}
.timeline .year--end:before {
    content: "";
    display: block;
    width: 80%;
    margin: auto;
    height: 1px;
    background: #26b;
}
.timeline .year--end:after {
    content: none;
}
.timeline .days {
    list-style-type: none;
    margin: 0;
    padding: 0;
}
.timeline .days .day {
    width: 100%;
    float: left;
}
.timeline .days .day .events {
    position: relative;
    float: left;
    border-right: 1px solid #26b;
    padding: 30px;
    text-align: right;
    width: 50%;
}
.timeline .days .day .events:after {
    content: "";
    width: 40%;
    display: inline-block;
    height: 1px;
    background: #26b;
    position: absolute;
    right: 0;
}
.timeline .days .day .events .date {
    position: absolute;
    top: 50%;
    left: 100%;
    transform: translateY(-50%);
    padding: 30px;
    text-align: left;
    color: #26b;
    font-size: 24px;
    white-space: nowrap;
}
.timeline .days .day .events .day__img {
    margin-right: -30px;
    position: relative;
    overflow: hidden;
}
.timeline .days .day .events .day__img img {
    display: block;
    float: right;
}
.timeline .days .day .events .day__img .caption {
    position: absolute;
    margin: 0;
    bottom: 0;
    right: 0;
    padding: 20px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
}
.timeline .days .day:nth-child(odd) .events {
    width: calc(50% + .5px);
    float: right;
    border-right: 0;
    border-left: 1px solid #26b;
    text-align: left;
}
.timeline .days .day:nth-child(odd) .events:after {
    right: auto;
    left: 0;
}
.timeline .days .day:nth-child(odd) .events .date {
    left: auto;
    right: 100%;
    text-align: right;
}
.timeline .days .day:nth-child(odd) .events .day__img {
    margin-right: auto;
    margin-left: -30px;
}
.timeline .days .day:nth-child(odd) .events .day__img img {
    float: left;
}
.timeline .days .day:nth-child(odd) .events .day__img .caption {
    right: auto;
    left: 0;
}