body {
  background-image: url('clicker/test.jpg');
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;

  color: black;
  font-weight: bold;
  text-align: center;

  font-family: Arial, sans-serif;

  margin: 0;
  min-height: 100vh;

  display: flex;
  justify-content: center;
  align-items: center;
  
  background-color: black;
  color: white;

}

#score {
  font-size: 36px;
  margin: 20px;
}

.clicker-img {
  width: 150px;
  height: 150px;
  cursor: pointer;
  transition: transform 0.5s;
}
  
.clicker-img:active {
  transform: scale(0.9);
}

.upgrade {
  display: inline-block;
  margin: 10px;
  text-align: center;
}
        
.upgrade img {
  width: 100px;
  height: 100px;
  cursor: pointer;
}
        
.upgrade p {
  margin: 5px 0 0 0;
}