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

*, *:before, *:after {
  box-sizing: inherit;
}

img {
  max-width: 100%;
}

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