framework/less/forum/ActivityPage.less

.ActivityPage-loadMore {
  text-align: center;

  .LoadingIndicator {
    height: 46px;
  }
}
.ActivityPage-list {
  border-left: 3px solid @control-bg;
  list-style: none;
  margin: 0 0 0 16px;
  padding: 0;

  > li {
    margin-bottom: 30px;
    padding-left: 32px;

    @media @phone {
      padding-left: 24px;
    }
  }
}
.Activity-avatar {
  .Avatar--size(32px);
  float: left;
  margin-left: -50px;
  .box-shadow(0 0 0 3px @body-bg);
  margin-top: -5px;

  @media @phone {
    margin-left: -42px;
  }
}
.Activity-header {
  color: @muted-color;
  margin-bottom: 10px;
}
.Activity-description {
  margin-right: 5px;
}
.Activity-content {
  display: block;
  padding: 15px;
  background: @control-bg;
  border-radius: @border-radius;
  color: @muted-color;

  &, &:hover {
    text-decoration: none;
  }
}
.PostedActivity-header {
  margin: 0 0 5px;
  padding: 0;
  list-style: none;

  > li {
    display: inline-block;
    margin-right: 5px;
  }
  h3 {
    font-size: 14px;
    font-weight: bold;
    margin: 0;

    &, & a {
      color: @heading-color;
    }
    .Activity-content:hover & {
      text-decoration: underline;
    }
  }
}
.PostedActivity-body {
  color: @muted-color;

  & :last-child {
    margin-bottom: 0;
  }
}