@media (min-width: 300px) and (max-width: 880px) {
  body {
    text-align: center;
  }
  header a {
    display: block;
  }
  article {
    width: 92%;
    padding: 0px;
    margin: 0px auto 0px auto;
    overflow: hidden;
  }
  #logo {
    width: 300px;
    position: relative;
    margin: 120px auto 30px auto;
  }
  #intro {
    top: 0px;
    max-width: none;
    position: relative;
  }
  #dzieci {
    width: 85%;
    position: relative;
    left: 0;
    top: 0;
    margin: 30px auto;
    border-bottom: 1px solid silver;
    border-radius: 12px;
  }
  section {
    position: relative;
    top: 40px;
    padding-bottom: 50px;
  }
  .zapisz-na-tus {
    display: block;
    margin: 60px auto 0px auto;
    width: 80%;
  }
  .mobile {
    display: block;
  }
  .zapisz-na-tus.next {
    margin: 60px auto;
    width: 80%;
    font-weight: normal;
  }
  h2 {
    font-size: 165%;
  }
  #czy-tus img,
  #tus-mandroya img {
    float: none;
    width: 70%;
    margin: 30px auto;
  }
  #tus-mandroya img {
    width: 100%;
  }
  section ul {
    margin: 20px auto !important;
    list-style-type: none;
    padding: 0px;
  }
  section ul strong {
    display: block;
    margin-bottom: 5px;
    color: color(display-p3 0.243 0.398 0.247);
    background-color: inherit !important;
    font-weight: bold;
    font-size: 120%;
  }
  section li {
    margin-bottom: 1.75em;
    line-height: 1.65em;
  }
  .m {
    display: none;
  }
  #tus-mandroya {
    margin-top: 120px;
  }
  .tus-box {
    width: 150px;
    border: 1px solid silver;
    border-radius: 6px;
    height: 150px;
    display: inline-block;
    margin: 0px 10px 30px 10px;
    background-size: 150px;
  }
  #trening-tus {
    margin-top: -150px;
    text-align: center;
  }
  #trening-tus p {
    font-size: 1em;
    margin: 4px auto 0px auto;
    color: color(display-p3 0.632 0.632 0.632);
  }
  #tus-korzysci {
    top: 0px;
  }
  #tus-korzysci ul {
    width: 100%;
  }
  #rodzina {
    width: 320px;
    top: 0px;
    right: 0px;
    position: relative;
    margin: 0px auto;
  }
  #tus-faq {
    margin-top: -30px;
  }
  .tus-faq {
    margin-bottom: 2em;
    padding: 0px;
    border: 1px solid color(display-p3 0.633 0.733 0.636);
    border-radius: 6px;
  }

  .tus-faq h3 {
    margin: 0px;
    padding: 12px;
    position: relative;
    cursor: pointer;
    background-color: color(display-p3 0.841 0.885 0.842);
  }

  .tus-faq h3 span {
    position: relative;
    top: -10px;
    left: 0;
    right: 0;
    display: block;
    cursor: pointer;
    font-weight: 100;
    font-size: 1.5em;
  }

  .tus-faq p {
    margin: 0px;
    padding: 20px 18px;
    display: none;
  }

  #zapisz {
    margin: 40px auto 60px auto;
    display: block;
    width: 100%;
  }
  .wiek {
    margin: 0px 10px;
    width: 90px;
  }

  .plink {
    width: 95%;
    border: 1px solid color(display-p3 0.243 0.398 0.247);
    border-radius: 12px;
    padding: 0px;
    text-align: left;
    display: inline-block;
    margin: 50px auto 25px auto;
    background-color: color(display-p3 0.949 0.961 0.95);
  }

  .link-group {
    display: none;
  }

  .link-group.aktywne {
    display: block;
  }

  .plink {
    background-image: url("sygnet.png");
    background-repeat: no-repeat;
    background-position: 160px 70px;
  }

  .plink h4 {
    background-color: color(display-p3 0.243 0.398 0.247);
    color: white;
    text-align: center;
    padding: 15px;
    margin: 0px !important;
    border-top-right-radius: 12px;
    border-top-left-radius: 12px;
    font-weight: normal;
    font-size: 125%;
  }

  .plink ul strong {
    display: inline;
    margin-bottom: 0px;
    background-color: color(display-p3 0.243 0.398 0.247) !important;
    color: white;
    font-weight: normal;
    font-size: 100%;
  }

  .plink ul {
    padding: 0px 0px 0px 30px;
    margin-top: 30px;
    margin-bottom: 30px;
    margin-left: 0px;
    font-size: 100%;
    left: 0px;
    list-style-type: disc;
  }

  .plink ul li {
    margin-top: 3px !important;
    margin-bottom: 0px;
    font-size: 85%;
  }
  footer {
    margin-top: 100px;
  }

  footer {
    width: auto;
    padding: 30px 30px 50px 30px;
    line-height: 1.55em;
  }
  #mcom {
    display: block;
  }
}