body {
background-image: url("https://mfmdigital.com/wp-content/uploads/2021/04/BLOG-MFM-Images-mises-en-avant3.png");
background-color: navy;
background-repeat: no-repeat;
background-size: cover;
background-attachment: fixed;
color: SeaShell;
}
table, th, td {
  border: 1px solid black;
}
.lightbg {
background-image: url("https://www.citygidsen.be/wp-content/uploads/2018/03/h1-background-2.jpg");
background-color: white;
background-repeat: no-repeat;
background-size: cover;
background-attachment: fixed;
color: MediumAquaMarine;
}
.darkbg {
background-image: url("https://thewave.digital/wp-content/uploads/2024/09/The-Wave-EN-1.png");
  background-color: #38444d;
background-repeat: no-repeat;
background-size: cover;
background-attachment: fixed;
color: SeaShell;
}