.block-timeline .row-year {
  min-height: 250px;
  position: relative;
}
.block-timeline .row-year .col-year::before {
  content: "";
  width: 5px;
  height: 100%;
  background-color: var(--bs-primary);
  position: absolute;
  top: 0;
  left: 50%;
  z-index: -1;
  transform: translateX(-50%);
}
.block-timeline .row-year .col-year.col-last::after {
  content: "";
  border-bottom: 5px solid var(--bs-primary);
  border-left: 0 !important;
  border-right: 5px solid var(--bs-primary);
  border-top: 0 !important;
  display: block;
  height: 20px;
  position: absolute;
  left: 50%;
  top: calc(100% - 20px);
  transform: translateX(-50%) rotate(45deg);
  transition: all 0.3s ease-in-out;
  width: 20px;
}
.block-timeline .row-year .col-year .circle-year {
  width: 100px;
  height: 100px;
  border-radius: 100%;
  font-size: 20px;
  font-weight: bold;
}

@media only screen and (max-width: 1024px) {
  .block-timeline .row-year {
    min-height: 150px;
  }
  .block-timeline .row-year .circle-year {
    width: 80px;
    height: 80px;
  }
}