/* Button style 120px button  HOME - NEXT */

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;
     }

  a.button_next {
     background-image: url("https://flowsimulations.com/buttons/FSI_logo_NEXT_136px.png");
     background-size: 120px;
     width: 120px;
     height: 120px;
     margin: 0.5rem;
     padding: 0rem;
     background-color: transparent;
     display: inline-block;
     }