body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f6f6f6;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1275px;
    margin: 20px auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-gap: 20px;
}

.calculator-box {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    font-weight: bold;
    font-color: #007bff;
}

.info-box {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #007bff;
    margin-bottom: 20px;
}

form {
    display: grid;
    grid-gap:12px;
}

label {
    color: #007bff;
    text-align: center;
}

input[type="number"],
select {
    width: 70%;
    padding: 12px;
    border: 2px solid #ccc;
    border-radius: 4px;
    outline: none;
    align: center;
    font-weight: bold;
    text-align: center;
}

input[type="text"] {
    width: 70%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    outline: none;
    background-color: #f2f2f2;
    font-weight: bold;
    color: #007bff;
    text-align: center;
}

input[type="submit"] {
    width: 50%;
    padding: 12px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: background-color 0.3s ease-in-out;
}

input[type="submit"]:hover {
    background-color: #0056b3;
}

input[type="submit"]:focus {
    outline: none;
}

.hra-info {
    color: #333;
}

.hra-info h3 {
    color: #007bff;
}

.hra-info p {
    line-height: 1.6;
}

.result {
    display: none;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
    border: 2px solid #007bff;
    border-radius: 8px;
    color: #007bff;
}