@media only screen and (max-width: 600px) {
  .hide-mobile {
    display: none;
  }

  .thumb {
    width: 103.66px;
    height: 82.5px;
  }

  ul {
    padding: 0;
    list-style-type: none;
  }

  #parent {
    padding-left: 10px;
    padding-right: 10px;
    text-align: center;
    font-size: 0.1px;
  }

  #parent li {
    display: inline-block;
    padding-left: 10px;
    padding-right: 10px;
  }

  #parent:after {
    content: '';
    width: 100%;
    display: inline-block;
  }
}

@media only screen and (min-width: 600px) {
  .hide-desktop {
    display: none;
  }

  .thumb {
    width: 188.48px;
    height: 150px;
  }

  ul {
    padding: 0;
    list-style-type: none;
  }

  #parent {
    padding-left: 10px;
    padding-right: 10px;
    text-align: center;
    font-size: 0.1px;
  }

  #parent li {
    display: inline-block;
    padding-left: 10px;
    padding-right: 10px;
  }

  #parent:after {
    content: '';
    width: 100%;
    display: inline-block;
  }
}