body {
  font-family: Helvetica, sans-serif;
  text-align: center;
  background-color: #f8f9fa;
}
.container {
  background-color: #33a3b2;
  padding: 2rem;
  border-radius: 50px;
  margin-top: 2rem;
}
input, select {
  border-radius: 20px !important;
  font-size: 1rem;
}
#resultDiv {
  background-color: white;
  border-radius: 15px;
  padding: 1rem;
  color: #000;
  font-weight: bold;
  font-size: 1.25rem;
  margin-top: 1rem;
}
a {
  color: #002147;
  text-decoration: underline;
}
#actDiv input, #actDiv button {
  width: 120px;
  height: 40px;
  margin: 0.3rem 0;
}
#tansik {
  display: none;
}
#estScoreDiv input {
  font-weight: bold;
  font-size: 1rem;
  padding: 0.3rem 0.75rem;
  margin-bottom: 0.5rem;
  text-align: center;
}
@media (max-width: 768px) {
  .container {
    padding: 1.5rem;
  }
  #actDiv input, #actDiv button {
    width: 100%;
  }
}
@media (max-width: 575px) {
  .container {
    margin-top: 0;
    border-radius: 0;
  }
}