* {
  margin: 0;
  padding: 0;
}
#chart-container {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

#container {
  position: absolute;
  top: 10%; /* adjust this value as desired */
  left: 0;
  right: 0;
}

#top-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

#source-selector {
  background-color: #fff;
  color: #333;
  font-family: Arial, sans-serif;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 8px;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

#source-selector:focus {
  outline: none;
  box-shadow: 0 0 4px #ccc; /* add box-shadow when focused */
}

#source-selector option {
  color: #333;
  font-family: Arial, sans-serif;
  font-size: 16px;
}

label[for="source-selector"] {
  color: #333;
  font-family: Arial, sans-serif;
  font-size: 16px;
  margin-right: 8px;
}

button {
  background-color: #4CAF50; /* set desired background color */
  color: white; /* set desired text color */
  font-family: Arial, sans-serif;
  font-size: 16px;
  border: none;
  border-radius: 4px;
  padding: 8px 16px;
  cursor: pointer;
  transition: background-color 0.3s ease; /* add transition effect */
}

button:hover {
  background-color: #3e8e41; /* set desired hover background color */
}

#selected-option,
#total-points {
  font-family: Arial, sans-serif;
  font-size: 16px;
  margin-top: 8px;
}