calc-style.css

body {
    background-color: hsl(0, 0%, 92%);
    font-family: Arial, Helvetica, sans-serif;
  }
  h1 {
    text-align: center;
    font-size: 3.5em;
    color: hsl(0, 0%, 22%);
  }
  form {
    max-width: 400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 10px 10px 20px hsl(0, 0%, 52%);
  }
  label {
    text-align: center;
    font-size: 2em;
  }
  input {
    font-size: 2em;
    text-align: center;
    margin-top: 5px;
    margin-bottom: 20px;
    border: 1px solid hsl(0, 0%, 74%);
    padding: 5px;
  }
  button {
    max-width: 150px;
    align-self: center;
    padding: 5px 10px;
    font-size: 1.5em;
    background-color: hsl(120, 100%, 28%);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  button:hover {
    background-color: hsl(120, 100%, 19%);
  }
  p {
    text-align: center;
    font-size: 2em;
  }
  span {
    color: rgb(0, 159, 0);
    font-weight: bold;
  }
  .image img {
    width: 350px;
    margin-bottom: 40px;
    margin-left: 29px;
  }