#only-mob {
        display: none
      }

      input::placeholder {
        text-decoration: underline dotted;
        font-family: sans-serif
      }

      .cus-cus {
        width: 170%
      }

      @media screen and (max-width:759px) {
        .product {
          display: block
        }

        .product .left,
        .product .right {
          width: 100%
        }

        .img-responsive {
          margin: 0 auto
        }

        .cus-cus {
          width: 100%
        }

        #not-on-mob {
          display: none
        }

        #only-mob {
          display: block;
          text-align: center
        }
      }