/* custom.css */
.md-content {
    max-width: 900px; /* adjust as needed */
    margin-left: auto;
    margin-right: auto; /* center the content */
}

:root  > * {
  --md-primary-fg-color:        #198754;
  --md-primary-fg-color--light: #198754;
  --md-primary-fg-color--dark:  #198754;
}