@media only screen and (min-width: 992px) and (max-width:1170px) {
  .container {
    width: 970px;
  }

  .newest-news-left,
  .newest-news-right {
    flex-basis: 200px;
  }

  .newest-news-middel {
    flex-basis: 570px;
  }

  .bbc-news-left,
  .bbc-news-right {
    flex-basis: 485px;
    padding: 0 5px;
  }

  .single-more-news-left {
    flex-basis: 770px;
  }

  .single-more-news-left .newest-single-content,
  .single-more-news-right {
    flex-basis: 200px;
  }

  .single-more-news-left .newest-news-middel {
    flex-basis: 570px;
  }

  .single-content {
    flex-basis: 192px;
    padding: 5px;
  }

  .single-video-new,
  .single-news-letter {
    flex-basis: 242px;
  }

  .culture-news .bbc-news-left,
  .science-news .bbc-news-left {
    flex-basis: 700px;
  }


  .single-news {
    flex-basis: 222px;
  }

  .brain-news .bbc-news-left {
    flex-basis: 700px;
  }
}

@media only screen and (min-width: 768px) and (max-width:991px) {
  .container {
    width: 750px;
  }

  .navbar {
    display: none;
  }

  .newest-news-left {
    flex-basis: 250px;
  }

  .newest-news-middel {
    flex-basis: 500px;
  }

  .newest-content {
    flex-basis: 250px;
  }

  /* .newest-news-single-img {
    flex-basis: 500px;
  } */


  .newest-news-right {
    display: flex;
    justify-content: space-between;
    flex-basis: 750px;
    flex-wrap: wrap;
  }

  .newest-single-content {
    flex-basis: 375px;
  }

  .bbc-news-left,
  .bbc-news-right {
    flex-basis: 375px;
    padding: 0 5px;
  }

  .single-more-news-left {
    flex-basis: 550px;
  }

  .single-more-news-left .newest-single-content,
  .single-more-news-right {
    flex-basis: 200px;
  }

  .single-more-news-left .newest-news-middel {
    flex-basis: 350px;
  }

  .single-content {
    flex-basis: 275px;
  }

  .single-video-new,
  .single-news-letter {
    flex-basis: 375px;
  }

  .culture-news .bbc-news-left,
  .science-news .bbc-news-left,
  .brain-news .bbc-news-right {
    flex-basis: 100%;
  }

  .culture-news .bbc-news-right,
  .science-news .bbc-news-right,
  .brain-news .bbc-news-right {
    flex-basis: 100%;
  }

  .cover-312 {
    height: 186px;
  }

  .cover-100 {
    height: 415px;
  }

  .cover-50 {
    height: 205px;
  }

  .cover-28 {
    height: 282px;
  }

  .cover-150 {
    height: 140px;
  }

  .business-single-content {
    align-items: center;
  }

  .single-news {
    flex-basis: 355px;
    margin: 20px 10px;
  }
}

@media only screen and (max-width:767px) {
  .container {
    width: 100%;
    padding: 0 15px;
  }

  .navbar {
    display: none;
  }

  .menubar {
    width: 100%;

  }

  .header-top-registration {
    display: none;
  }

  .newest-news-left {
    flex-basis: 100%;
  }

  .newest-news-middel {
    flex-basis: 100%;
  }



  .newest-news-right {
    flex-basis: 100%;
  }

  .newest-single-content {
    flex-basis: 100%;
  }

  .bbc-news-left,
  .bbc-news-right {
    flex-basis: 100%;
    padding: 0;
  }

  .single-more-news-left {
    flex-basis: 100%;
  }

  .single-more-news-left .newest-single-content,
  .single-more-news-right {
    flex-basis: 100%;
  }

  .single-more-news-left .newest-news-middel {
    flex-basis: 100%;
  }

  .single-content {
    flex-basis: 100%;
  }

  .single-video-new,
  .single-news-letter {
    flex-basis: 100%;
  }

  .culture-news .bbc-news-left,
  .science-news .bbc-news-left,
  .brain-news .bbc-news-right {
    flex-basis: 100%;
  }

  .culture-news .bbc-news-right,
  .science-news .bbc-news-right,
  .brain-news .bbc-news-right {
    flex-basis: 100%;
  }

  .cover-100 {
    height: 410px;
  }

  .single-news {
    flex-basis: 100%;
    margin: 20px 0;
  }

  .nav-bar {
    width: 100%;
  }

  .nav-bar ul {
    display: block;
    margin: 0;
  }

  .nav-bar ul li {
    margin: 21px 0;
  }

  .cover-150,
  .cover-100 {
    height: 208px;
  }

  .cover-50 {
    height: 197px;
  }

  .banner-content {
    height: auto;
    width: 100%;
  }
}