instagram background code example

Example 1: html static background

body {
  background-image: url("img_tree.gif");
  
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  
  background-size: cover;
}

Example 2: html watermark background

#watermark {
   position:fixed;
   bottom:5px;
   right:5px;
   opacity:0.5;
   z-index:99;
   color:white;
   user-select: none;
}