body {
background-image: url("stars3.gif");
}

.planet1 {
margin: 2% 5% 0% 16%;
-webkit-filter: drop-shadow(0px 0px 5px #00d9bc);
filter: drop-shadow(0px 0px 5px #c0d900);
position: relative;
z-index: 2;
}

.planet2 {
margin: -23% 0% -16% 70%;
-webkit-filter: drop-shadow(0px 0px 5px #a7a7a7);
filter: drop-shadow(0px 0px 5px #a7a7a7);
position: relative;
z-index: 2;
}

.sun {
margin: 4% 0% 0% 38%;
-webkit-filter: drop-shadow(0px 0px 8px #a32d5889);
filter: drop-shadow(0px 0px 8px #a32d5889);
position: relative;
z-index: 0;
}

.planet3 {
margin: -9% 0% 0% 30%;
-webkit-filter: drop-shadow(0px 0px 5px #43e6ff);
filter: drop-shadow(0px 0px 5px #43e6ff);
position: relative;
z-index: 2;
}

.planet4 {
margin: -20% 0% 0% 64%;
-webkit-filter: drop-shadow(0px 0px 5px #468dff);
filter: drop-shadow(0px 0px 5px #468dff);
position: relative;
z-index: 2;
}