Personal-Website/themes/maik-blog/assets/scss/_portfolios.scss

.portfolios {
  width: 100%;
  max-width: 800px;
  text-align: left;
  padding: 20px;
  margin: 20px auto;
  counter-reset: portfolio;

  @media #{$media-size-tablet} {
    max-width: 660px;
  }

  &:not(:last-of-type) {
    border-bottom: 1px solid $light-border-color;

    .dark-theme & {
      border-color: $dark-border-color;
    }
  }

  &-group {
    display: flex;
    margin-bottom: 1.9em;
    line-height: normal;

    @media #{$media-size-tablet} {
      display: block;
    }
  }

  &-list {
    flex-grow: 1;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .portfolio {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    margin: 80px 0;
    position: relative;
    counter-increment: portfolio;

    .read-more {
      white-space: nowrap;
    }

    &-cover {
      margin: 0;
    }

    &-title {
      font-size: 1rem;
      margin: 5px 0 5px 0;
    }

    &-company {
      font-size: 1rem;
      margin: 5px 0 5px 0;
    }

    &-year {
      padding-top: 6px;
      margin-right: 1.8em;
      font-size: 1.6em;
      @include dimmed;

      @media #{$media-size-tablet} {
        margin: -6px 0 4px;
      }
    }

    &-item {
      border-bottom: 1px grey dashed;

      a {
        display: flex;
        justify-content: space-between;
        align-items: baseline;
        padding: 12px 0;
        text-decoration: none;
      }
    }

    &-day {
      flex-shrink: 0;
      margin-left: 1em;
      @include dimmed;
    }

    &::before {
      display: block;
      content: counter(portfolio);
      position: absolute;

      transform: translate(-50%, -50%);
      background-color: #222;
      color: #fff;
      border-radius: 50%;
      font-weight: bold;
      min-width: 50px;
      min-height: 50px;
      line-height: 50px;
      text-align: center;
      top: 30px;
      z-index: 10;
    }

    &::after {
      display: block;
      content: "";
      position: absolute;
      top: -50px;
      width: calc(50% + 50px);
      height: calc(100% + 83px);
      background: rbga(0, 0, 255, 0.3);

      border-bottom: 3px solid #222;
      border-top: 3px solid #222;
    }

    &:nth-child(odd) {
      // margin-left: 40px;
      // background: #cfc;

      &::before {
        left: -48.5px;
      }

      &::after {
        left: -50px;
        border-left: 3px solid #222;
        border-radius: 15px 0 0 15px;
      }
    }
    &:nth-child(even) {
      // margin-left: -40px;
      // background: #fcc;

      &::before {
        right: -98.5px;
      }

      &::after {
        right: -50px;
        border-right: 3px solid #222;
        border-radius: 0 15px 15px 0;
      }
    }
    &:first-child {
      &::after {
        border-top: 0;
        border-top-left-radius: 0;
        border-top-right-radius: 0;
      }
    }
    &:last-child {
      &::after {
        border-bottom: 0;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
      }
    }
  }
}