html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* Выше дефолтные, ниже мои */

.login-body {
    margin: auto;
    max-width: 400px;
    padding: 10px;
    background-color: #e4e4e4;
    border-radius: 15px;
    box-shadow: 0px 0px 2px black;
}

.calculator-body {
    margin: auto;
    max-width: 250px;
    padding: 10px;
    background-color: dimgray;
    border-radius: 15px;
    box-shadow: 2px 2px 4px black;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
    gap: 4px
}

.calculator-input {
    grid-column: span 4;
    padding: 5px;
    padding-left: 10px;
    border-radius: 15px;
}

.calculator-output {
    grid-column: span 3;
    padding: 5px;
    padding-left: 10px;
    border-radius: 15px;
    background-color: lightgray;
}

button {
    background-color: lightgray;
    border-radius: 10px;
}

button:hover {
    background-color: darkgray;
}