hexo-theme-next/source/css/_schemes/Mist/_posts-expand.styl

// Post Expand
// --------------------------------------------------
.posts-expand {
  &.index {
    .post-header {
      text-align: $site-meta-text-align;

      +mobile() {
        text-align: center;
      }
    }

    .post-meta-container {
      margin-top: 5px;
    }
  }

  .post-eof {
    display: none;
  }

  .post-block:not(:first-child) {
    margin-top: 120px;
  }

  .post-header {
    margin-bottom: 20px;
    text-align: center;
  }

  .post-tags {
    text-align: left;

    a {
      background: var(--content-bg-color);
      border-bottom: none;
      padding: 1px 5px;

      &:hover {
        background: var(--menu-item-bg-color);
      }
    }
  }

  .post-nav {
    margin-top: 40px;
  }
}

.post-button {
  margin-top: 20px;
  text-align: left;

  .btn {
    background: none;
    border: 0;
    border-bottom: 2px solid var(--btn-default-border-color);
    padding: 0;
    transition-property: border;

    &:hover {
      border-bottom-color: var(--btn-default-hover-border-color);
    }
  }
}