#d0 { border: 1px solid purple; position: static; width: 250px; }
#d1 { border: 2px solid green; background-color: white; position: absolute; width: 300px; height: 200px; top: 120px; left: 210px; }position: static | fixed | relative | absolute;
#d2 { border: 1px solid red; position: static; width: 400px; }
#d3 { border: 1px solid blue; position: static; width: 500px; }
#d4 { border: 1px solid yellow; position: static; width: 600px; height: 1800px; }