style.css

form {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

body {
  background-color: #f5f5f5;
  font-family: 'Roboto', sans-serif;
  background-image: url("breadSliced1.png");
  background-size: cover;
  background-repeat: no-repeat;
}

input[type="number"] {
      margin: 5px 0 0 0;
      padding: 5px;
      font-size: 18px;
      width: 60px;
      text-align: center;
    }


button {
      margin: 55px auto 55px auto;
      display: block;
      padding: 10px 20px;
      font-size: 20px;
      background-color: #c8780e;
      color: white;
      border: 2px solid black;
      border-radius: 10px;
      cursor: pointer;
    }

label {
  margin: 5px 0 0 0;
  font-size: 20px;
}

#results {
  margin-top: 25px;
  font-size: 20px;
  background-color: #f5f5f5;
}

table {
  border-collapse: collapse;
  width: 80%;
  margin-top: 150px;
  margin-left: auto;
  margin-right: auto;
  align-items: center;
  background-color: #f5f5f5;
}

td, th {
  border: 2px solid black;
  padding: 10px;
  text-align: center;
}

th {
  background-color: #c8780e;
  color: white;
  font-size: 20px;
}