body {
    font-family: Arial, sans-serif;
    background-color: #5a5a5a;
    margin: 0;
    padding: 20px;
}

h1 {
    color: rgb(2, 2, 2);
}

form {
    background-color: #ffffff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.container {
    width: 420px;
    margin:  auto;
    background-color: #bbbbbb;
    padding: 7px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

label {
    display: block;
    margin-bottom: 10px;
    color: #555;
}

input[type="number"] {
    width: 80%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
    color: #555;
}

input[type="submit"] {
    background-color: #4caf50;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
}
.center {
    display: flex;
    justify-content: center;
    
  }
  
input[type="submit"]:hover {
    background-color: #45a049;
}

.result-container {
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-top: 20px;
}

.result-container h3 {
    color: #333;
    margin-top: 0;
}

.result-container p {
    margin-bottom: 5px;
    color: #555;
}