English: Select the Background image size type. <a href="https://www.w3schools.com/cssref/css3_pr_background-size.asp" target="_blank">See the CSS Documentation</a>
Dutch: Selecteer de grootte van de achtergrondafbeelding. <a href="https://www.w3schools.com/cssref/css3_pr_background-size.asp" target="_blank">Zie de CSS documentatie</a>