body {
  display: flex;
  flex-direction: column;
  position: relative; }

h1 {
  text-align: center;
  height: 38px;
  margin: 60px 0; }
  h1 span {
    white-space: nowrap; }

.flex-parent {
  display: flex;
  flex-direction: column;
  justify-content: start;
  align-items: center;
  width: 100%;
  height: 100%;
  min-height: 300px; }

.input-flex-container {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  width: 80vw;
  max-width: 800px;
  position: relative;
  z-index: 0;
  margin-left: calc((80vw - 25px) / 12); }

input {
  width: 25px;
  height: 25px;
  background-color: #f8f9fa;
  position: relative;
  border-radius: 50%;
  display: block;
  -moz-appearance: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer; }
  input:focus {
    outline: none; }
  input::before, input::after {
    content: '';
    display: block;
    position: absolute;
    z-index: -1;
    top: 50%;
    transform: translateY(-50%);
    background-color: #f8f9fa;
    width: 6.66667vw;
    height: 5px;
    max-width: 66.66667px; }
  input::before {
    left: calc(-6.66667vw + 12.5px); }
  input::after {
    right: calc(-6.66667vw + 12.5px); }
  input:checked {
    background-color: #f8f9fa; }
    input:checked::before {
      background-color: #f8f9fa; }
    input:checked::after {
      background-color: #212529; }
  input:checked ~ input, input:checked ~ input::before, input:checked ~ input::after {
    background-color: #212529; }
  input:checked + .dot-info span {
    font-size: 13px;
    font-weight: bold; }

.dot-info {
  width: 25px;
  height: 25px;
  display: block;
  visibility: hidden;
  position: relative;
  z-index: -1;
  left: calc((((80vw - 25px) / 12) * -1) - 1px); }
  .dot-info span {
    visibility: visible;
    position: absolute;
    font-size: 12px; }
    .dot-info span.year {
      bottom: -30px;
      left: 50%;
      transform: translateX(-50%); }
    .dot-info span.label {
      top: -65px;
      left: 0;
      transform: rotateZ(-45deg);
      width: 70px;
      text-indent: -10px; }

#timeline-descriptions-wrapper {
  width: 100%;
  margin-top: 70px;
  font-size: 22px;
  font-weight: 400;
  margin-left: calc((-80vw - 25px) / 12); }
  #timeline-descriptions-wrapper p {
    margin-top: 0;
    display: none; }

input[data-description="1111"]:checked ~ #timeline-descriptions-wrapper p[data-description="1111"] {
  display: block; }

input[data-description="2024"]:checked ~ #timeline-descriptions-wrapper p[data-description="2024"] {
  display: block; }

input[data-description="2412"]:checked ~ #timeline-descriptions-wrapper p[data-description="2412"] {
  display: block; }

input[data-description="2501"]:checked ~ #timeline-descriptions-wrapper p[data-description="2501"] {
  display: block; }

input[data-description="0504"]:checked ~ #timeline-descriptions-wrapper p[data-description="0504"] {
  display: block; }

input[data-description="504"]:checked ~ #timeline-descriptions-wrapper p[data-description="504"] {
  display: block; }

input[data-description="2604"]:checked ~ #timeline-descriptions-wrapper p[data-description="2604"] {
  display: block; }

input[data-description="0305"]:checked ~ #timeline-descriptions-wrapper p[data-description="0305"] {
  display: block; }

input[data-description="0405"]:checked ~ #timeline-descriptions-wrapper p[data-description="0405"] {
  display: block; }

@media (min-width: 1000px) {
  .input-flex-container {
    margin-left: 79.16667px; }
  input::before {
    left: -54.16667px; }
  input::after {
    right: -54.16667px; }
  .dot-info {
    left: calc((((800px - 25px) / 12) * -1) - 1px); }
  #timeline-descriptions-wrapper {
    margin-left: -54.16667px; } }

@media (max-width: 630px) {
  .flex-parent {
    justify-content: initial; }
  .input-flex-container {
    flex-wrap: wrap;
    justify-content: center;
    width: 400px;
    height: auto;
    margin-top: 15vh;
    margin-left: 0;
    padding-bottom: 10px; }
  input, .dot-info {
    width: 60px;
    height: 60px;
    margin: 15px 10px 50px; }
  input {
    background-color: transparent !important;
    z-index: 1; }
    input::before, input::after {
      content: none; }
    input:checked + .dot-info {
      background-color: #f8f9fa; }
      input:checked + .dot-info span.year {
        font-size: 14px;
        color: #212529; }
      input:checked + .dot-info span.label {
        font-size: 12px; }
  .dot-info {
    visibility: visible;
    border-radius: 50%;
    z-index: 0;
    left: 0;
    margin-left: -70px;
    background-color: #212529; }
    .dot-info span.year {
      top: 0;
      left: 0;
      transform: none;
      width: 100%;
      height: 100%;
      display: flex;
      justify-content: center;
      align-items: center;
      color: #f8f9fa; }
    .dot-info span.label {
      top: calc(100% + 5px);
      left: 50%;
      transform: translateX(-50%);
      text-indent: 0;
      text-align: center; }
  #timeline-descriptions-wrapper {
    margin-top: 30px;
    margin-left: 0;
    text-align: center; } }

@media (max-width: 480px) {
  .input-flex-container {
    margin-top: 0px;
    width: 340px; } }

@media (max-width: 400px) {
  .input-flex-container {
    width: 300px; } }