@media only screen and (min-width: 900px) {
  .container {
    width: 100%;
    max-width: 750px;
    margin: auto;
    position: relative;
  }
  .main-img {
    width: 100%;
  }
  header #menubtn {
    top: 11px;
  }
  header .logo {
    margin-top: 15px;
  }
  .art {
      width: 49%;
      display: inline-block;
  }
  .art .art-title {
      min-height: 130px;
  }
  #menu {
    left: -40%;
    width: 40%;
    background: #f7f7f7;
  }
  .scrl-br::-webkit-scrollbar-track {
    border-radius: 10px;
    background-color: #f7f7f7;
  }
  .scrl-br::-webkit-scrollbar {
    width: 12px;
    background-color: #f7f7f7;
  }
  .scrl-br::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: #ee4d22;
    border: 4px solid #f7f7f7;
  }
  .face-share {
    cursor: pointer;
  }
}