/* Button style 120px button  */

a.button_back {
      background-image: url("https://coinsandhistory.com/buttons/MexCol_btn_bka_150.png");
      background-size: 120px 120px;
      width: 120px;
      height: 120px;
      margin: .25rem;
      padding:.25rem;
      background-color: transparent;
      display: inline-block;
      }

      /* Remove global link styling ONLY for the button */
      a.button_back:link,
      a.button_back:visited,
      a.button_back:hover,
      a.button_back:active {
          background-color: transparent;
          opacity: 1;
          outline: none;
      }