.streamline {
  position: relative;
  z-index: 1;

  &:before {
    content: '';
    position: absolute;
    width: 1px;
    height: 100%;
    background-color: #ddd;
    top: 0;
    left: 20px;
    z-index: 1;
  }

  &:after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: white;
    border: 1px solid #ddd;
    bottom: 0;
    left: 15px;
    z-index: 2;
  }

  .streamline-post {
    margin-bottom: 20px;
    position: relative;
    z-index: 2;

    >aside {
      float: left;
      vertical-align: top;
    }

    .post-container,
    .reply-container {
      vertical-align: top;
      padding-left: 55px;
      position: relative;
      z-index: 2;

      &:before {
        content: '';
        @include triangle(14px, #ddd, left);
        position: absolute;
        top: 13px;
        left: 48px;
      }

      &:after {
        content: '';
        @include triangle(12px, #fff, left);
        position: absolute;
        top: 14px;
        left: 50px;
      }
    }

    .post-replies >li{
      >aside {
        float: left;
        vertical-align: top;
      }
    }
  }

  .streamline-form {
    position: absolute;
    width: 100%;
    padding-bottom: 20px;
    z-index: 2;

    .thumb {
      float: left;
    }

    form {
      padding-left: 55px;
    }
  }

  //timeline
  &.timeline {
    overflow: hidden;
    position: relative;

    ul {
      padding: 0 0 30px;
      margin: 0 auto;
      list-style: none;
      text-align: center;
      position: relative;
      z-index: 2;

      >li {
        margin: 20px 0;

        &:first-child {
          margin-top: 0;
        }
      }

      .heading {
        color: white;
        display: block;
        text-align: center;
        margin: 0 auto;

        &:after,
        &:before {
          content: "";
          display: table;
          clear: both;
        }
      }

      .timeline-post {
        position:relative;
        float:left;
        clear: left;
        text-align: right;
        width: 50%;
        padding-right: 40px;

        aside {
          float: right;
          position: absolute;
          right: -15px;
        }

        .time {
          position: absolute;
          left: 10px;
          top: 10px;
          font-size: $font-size-small;

          >i {
            margin-right: 5px;
          }
        }

        &:nth-of-type(even) {
          &:after {
            content: '';
            @include triangle(16px, #fff, right);
            position: absolute;
            top: 10px;
            right: 32px;
          }
        }

        &:nth-of-type(odd) {
          float: right;
          clear: right;
          text-align: left;
          padding-left: 40px;
          padding-right: 0;

          aside {
            float: left;
            right: auto;
            left: -15px;
            top: 40px;
          }

          .time {
            left: auto;
            right: 10px;
          }

          &:after {
            content: '';
            @include triangle(16px, #fff, left);
            position: absolute;
            top: 50px;
            left: 32px;
          }
        }

        .thumb {
          line-height: 30px;
          font-size: 18px;
          text-align: center;
        }

        .post-container>.panel {
          padding: 10px 20px;
        }
      }
    }

    &:before,
    &:after {
      left: 50%
    }

    &:before {
      background-color: #bbb;
    }

    &:after {
      margin-left: -5px;
      border-color: #bbb;
    }
  }
}

.streamline-form {
  .post-toolbar {
    padding: 5px 10px;
    border-radius: 0 0 2px 2px;
    border: 1px solid #e2e2e2;
    border-top: 0;
    @include transition(all .2s linear);

    >a {
      color: $transparent-black-2;
      padding: 2px 5px;
      @include transition(all .2s linear);

      &:hover {
        color: $transparent-black-4;
      }
    }
  }
}

//sm

@media only screen and (max-width: 768px) {
  .streamline {
    &.timeline {
      ul {
        .heading {
          text-align: left;
        }
        .timeline-post,
        .timeline-post:nth-of-type(odd),
        .timeline-post:nth-of-type(even) {
          padding-right: 0;
          padding-left: 40px;
          float: none;
          text-align: left;
          width: 100%;

          aside {
            float: none;
            right: auto;
            left: 0;
            top: 0;
          }

          &:after {
            border: 0;
            @include triangle(16px, #fff, left);
            position: absolute;
            top: 10px;
            left: 32px;
            right: auto;
          }

          .time {
            left: auto;
            right: 10px;
          }
        }
      }
      &:before,
      &:after {
        left: 15px
      }
    }
  }
}