www.byjp.me/assets/scss/_list.scss

.posts {
  width: 100%;
  max-width: 800px;
  text-align: left;
  padding: 20px;
  margin: 20px auto;

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

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

    @media (prefers-color-scheme: dark) {
      border-bottom: 1px solid $dark-border-color;
    }
  
    @media (prefers-color-scheme: light) {
      border-bottom: 1px solid $light-border-color;
    }
  
    [data-theme=dark] & {
      border-bottom: 1px solid $dark-border-color;
    }
  
    [data-theme=light] & {
      border-bottom: 1px solid $light-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;
  }

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

      &.em {
        font-style: italic;
      }
    }

    &-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;
        position: relative;

        &:hover .post-emoji {
          opacity: 1;
        }
      }
    }

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

    &-emoji {
      position: absolute;
      left: -1.5em;
      line-height: 1.8em;
      opacity: 0;
      transition: opacity 0.2s ease-in-out;
    }
  }
}

.side-by-side .post-item a {
  padding: 0.2em 0;
}