@media(max-width: 786px) {

      .logo {
            position: absolute;
            top: 0;
            margin-top: 16px;
            color: #000;
            font-size: 40px;
      }

      nav ul {
            max-height: 0px;
            background: #000;

      }

      nav.black ul {
            background: #000;
      }

      .showing {
            max-height: 34em;
      }

      nav ul li {
            box-sizing: border-box;
            width: 100%;
            padding: 24px;
            text-align: center;
      }
      nav ul li a {

            color: #fff;

      }
      .menu-icon {
            display: block;
      }
      .soical_network
      {
        display: block;
        position: absolute;
        top: 12px;
        left: 23.33%;
      }
      .soical_network li a{
      color: #000;

      }
    }



        @media (max-width: 1200px) {
          #photos {
          -moz-column-count:    4;
          -webkit-column-count: 4;
          column-count:         4;
          }
        }
        @media (max-width: 1000px) {
          #photos {
          -moz-column-count:    3;
          -webkit-column-count: 3;
          column-count:         3;
          }
        }
        @media (max-width: 800px) {
          #photos {
          -moz-column-count:    2;
          -webkit-column-count: 2;
          column-count:         2;
          }
        }
        @media (max-width: 400px) {
          #photos {
          -moz-column-count:    1;
          -webkit-column-count: 1;
          column-count:         1;
          }
        }