body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0
}

.container {
  max-width: 400px;
  margin: 0 auto;
  padding: 20px
}

h1 {
  text-align: center
}

.form-group {
  margin-bottom: 20px
}

.form-control {
  display: block;
  width: 100%;
  padding: 10px;
  box-sizing: border-box;
  border-radius: 5px;
  border: 1px solid #ced4da
}

.alert {
  padding: 20px;
  border-radius: 5px;
  margin-top: 20px
}

.alert-danger {
  background-color: #f8d7da;
  color: #721c24;
  border-color: #f5c6cb
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
  border-color: #c3e6cb
}

.btn {
  padding: 10px;
  border: none;
  border-radius: 5px;
  color: #fff;
  cursor: pointer;
  display: block;
  width: 100%;
  margin-top: 10px
}

.btn-primary {
  background-color: #007bff
}

.btn-secondary {
  background-color: #6c757d
}

.btn-success {
  background-color: #28a745
}

.btn-info {
  background-color: #17a2b8
}

.btn:hover {
  opacity: .85
}

.text-center {
  text-align: center
}

.calculator-container {
  background-color: #fff;
  width: 100%;
  max-width: 480px;
  margin: 20px auto;
  padding: 20px;
  border-radius: 20px;
  box-shadow: 0 0 5px #ccc
}

.calculator-title {
  font-size: 18px;
  color: #ffffff;
  text-align: center;
  font-weight: 600;
  padding: 10px;
  margin-top: 0;
  margin-bottom: 30px;
  background: linear-gradient(to right, #053b7d, #066ba5);
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, .2);
  border: .5px solid #084288;
  font-family: Arial, sans-serif;
}

.input-group {
  border: 1px solid #817f7f;
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 15px;
  background-color: #f8f9fadd;
}

.calculator-container .btn,
.calculator-container .form-control {
  display: block;
  max-width: 300px;
  margin: 5px auto;
  border: 1px solid #817f7f
}

#result {
  border: 1px solid #ccc;
  padding: 10px;
  margin-top: 20px;
  margin-left: 10px;
  margin-right: 10px;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin: auto;
  font-size: 11px;
}

table td,
table th {
  font-size: 10px
}

td,
th {
  border: 1px solid #ddd;
  padding: 4px;
  text-align: center
}

th {
  padding-top: 5px;
  padding-bottom: 5px;
  text-align: center;
  background-color: #3c638a;
  color: #fff
}

.disclaimer-text {
  font-size: 14px;
  color: #515050;
  margin-bottom: 0;
  text-align: center;
}

#new-buttons {
  display: flex;
  justify-content: center;
  margin-top: 5px
}

.smaller-button {
  width: 35%;
  padding: 5px;
  font-size: 12px;
  margin: 0 2.5% !important
}

.reward-highlight {
  color: #28a745;
  font-weight: bold;
  font-size: 1.2em;
}

.best-rate {
  background-color: #d4edda !important;
}

@media screen and (max-width:480px) {
  .calculator-container {
    padding: 10px;
    border-radius: 10px;
    max-width: 350px !important
  }
}