Untitled

body {
  font-family: Arial, sans-serif;
  margin: 20px;
}

label {
  display: block;
  margin-top: 10px;
}

input {
  width: 100%;
  padding: 8px;
  margin-top: 5px;
}

button {
  display: block;
  margin: 20px auto;
  padding: 10px 20px;
}

#resultado {
  max-width: 400px;
  margin: 20px auto;
  padding: 10px;
  border: 1px solid #ddd;
}

.calculo {
  margin-top: 10px;
}

.btn-check:checked+.btn-bb {
  background-color: #FCFA64 !important;
  transition: 0.5s;
}

.btn-check:checked+.btn-itau {
  background-color: #FF6200 !important;
  transition: 0.5s;
}

.btn-check:checked+.btn-caixa {
  background-color: #0070AF !important;
  transition: 0.5s;
}

.btn-check:checked+.btn-santander {
  background-color: #EA1D25 !important;
  transition: 0.5s;
}

.btn-check:checked+.btn-nubank {
  background-color: #820AD1 !important;
  transition: 0.5s;
}

.banco-logo {
  width: 90px;
  height: auto;
  cursor: pointer;
}

/* styles.css */
body {
  font-family: Arial, sans-serif;
  margin: 20px;
}

h1 {
  margin-bottom: 20px;
}

.form-check-label {
  margin-left: 10px;
}

.btn-primary {
  background-color: #007bff;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
}

.invalid-feedback {
  font-size: 14px;
}