body {
  background-color: #ff4949;
  height: 100vh;
  overflow: visible;
}

.main-heading, .info {
  text-align: center;
  font-family: Tahoma, Verdana, Segoe, sans-serif;

}

.main {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
}

.fill {
  background-image: url('./Red-Dots-1985.jpg');
  position: relative;
  height: 150px;
  width: 150px;
  top: 5px;
  left: 5px;
  margin: 0;
  border-radius: 100%;
  cursor: pointer;
}

.empty {
  display: inline-block;
  height: 160px;
  width: 160px;
  margin: 10px;
  border-radius: 100%;
  border: 3px white solid;
  background-color: white;
}

.hold {
  border: solid lightgrey;
  border-radius: 0;
}

.hovered {
  border-radius: 100%;
  background: lightgrey;
  border-style: dotted;
}

.invisible {
  display: none;
}

@media only screen and (max-device-width: 480px) {
  .empty {
    display: inline-block;
    height: 50px;
    width: 50px;
    margin: 10px;
    border-radius: 100%;
    border: 3px white solid;
    background-color: white;
  }
  .fill {
    background-image: url(./Red-Dots-1985.jpg);
    position: relative;
    height: 50px;
    width: 50px;
    top: -0.2px;
    left: -0.01px;
    margin: 0;
    border-radius: 100%;
    cursor: pointer;
  }
}