/* Button style 120px button  */

a.button_home {
      background-image: url("https://flowsimulations.com/buttons/FSI_logo_HOME_136px.png");
      background-size: 120px;
      width: 120px;
      height: 120px;
      margin: 0.5rem;
      padding: 0rem;
      background-color: transparent;
      display: inline-block;
      }