@media only screen and (max-width: 608px) {
  .FOOTERCONCERTO div[class*="div"] {
    justify-content: center;
    align-items: center;
    text-align: center;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
  }
}

@media only screen and (min-width: 609px) and (max-width: 799px) {
  .FOOTERCONCERTO div[class*="div"] {
    justify-content: center;
    align-items: center;
    text-align: center;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
  }

  .FOOTERCONCERTO div[class*="div3"] and div[class*="div2"] and div[class*="div4"]{
    height: 100%;
  }

  iframe{
    width: 100%;
    height: 315px;
  }
}

@media only screen and (min-width: 800px) and (max-width: 977px) {
  .FOOTERCONCERTO div[class*="div1Int"] div[class*="div3Int"] and div[class*="div2Int"] and div[class*="div4Int"]{
    font-size: 90%;
    margin: 2px;
    padding: 2px;
    /height: 100%;
  }

  .FOOTERCONCERTO div[class="div4"], div[class="div3"]{
    height: fit-content;
  }

  iframe{
    width: 560px;
    height: 315px;
  }
}

@media only screen and (min-width: 978px){
  .FOOTERCONCERTO div[class="div4"], div[class="div3"]{
    height: fit-content;
  }

  iframe{
    width: 560px;
    height: 315px;
  }
}