*, html {
    height: 100%;
    width: 100%;
    margin:0;
    padding:0;  
}
.body {
  height: 100%;
  width: 100%;
  color: black;
  background-image: repeating-linear-gradient(
    45deg,
    #000000,
    #000000 10px,
    #696e80 10px,
    #696e80 20px
  );
}
.a {
  width: 25px;
  height: 25px;
  margin-left: 0 px;
  margin-right: 0 px;
  border-radius: 50%;
  background-color: White;
}
.b {
  width: 25px;
  height: 25px;
  margin-left: 0 px;
  margin-right: 0 px;
  border-radius: 50%;
  background-color: White;
}
.c {
  width: 25px;
  height: 25px;
  margin-left: 0 px;
  margin-right: 0 px;
  border-radius: 50%;
  background-color: White;
}