:root {
    --md-primary-fg-color:        #669900;

    --md-accent-fg-color:         #AAFF00;
    --md-accent-bg-color:         #AAFF00;
  }

/* Maximum space for text block */
.md-grid {
  max-width: 100%; /* or 100%, if you want to stretch to full-width */
}