h1 {
  margin: 1em;
  text-align: center;
}

#probability,
#days {
  margin: 0.5em;
}

/* This section groups the labels, inputs, and the button into a single line */
.form-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1em;
}

/* This section styles the chart container to take up remaining space */
#chartContainer {
  flex-grow: 1;
  width: 90%;
  margin: 3em;
  box-shadow: 5px 5px 20px rgba(128, 128, 128, 0.648);
  overflow: scroll;
}