:root {
  --sidebar_width:15rem;
}

/* Apply changes only on desktop screens */
@media only screen and (min-width: 60em) {
  .md-sidebar--primary {
    width: var(--sidebar_width); /* Increase or decrease as needed (Default is approx 12.1rem) */
  }

  .md-sidebar__inner {
    padding-right:calc(100% - var(--sidebar_width)) !important;
  }

  .md-content__inner img {
    max-width: 75%;
    height: auto;
    display: block;
    margin: 0 auto;
  }
}