input.back_button {
      background-color: transparent;
      background-image: url('https://www.iar.ro/include/images/back_button.png');
      background-size: cover;
      padding: 0;
      border: none;
      width: 82px;
      height: 32px;
      cursor:pointer;
    }

/* Adding transformation when the button is active */
          
        input.back_button:hover {
            background-image: url('https://www.iar.ro/include/images/back_button.png');
            transform: scale(0.98);
            /* Scaling button to 0.98 to its original size */
            box-shadow: 3px 2px 22px 1px rgba(0, 0, 0, 0.24);
            /* Lowering the shadow */
        }