HOW-TO Invert Navigation Buttons for each Page ?

Hello there,

It looks like this site is hosted with WordPress.com, so it’s possible to seek help here:

This CSS here might help:

.post-navigation .nav-previous {
    float: right;
    } 

    .post-navigation .nav-previous a:before {
      -webkit-transform: rotate(-90deg);
      -moz-transform: rotate(-90deg);
      -ms-transform: rotate(-90deg);
      transform: rotate(-90deg);
  }

  .post-navigation .nav-next {
    float: left;
    }

    .post-navigation .nav-next a:before {
    -webkit-transform: rotate(90deg);
    -moz-transform: rotate(90deg);
    -ms-transform: rotate(90deg);
    transform: rotate(90deg);
}