body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
header {
    background-color: #ff6f61;
    color: white;
    padding: 20px;
    text-align: center;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo img {
    margin-right: 10px;
}

main {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.calculator {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.input-fields {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.input-field {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.input-field input {
    width: 200px;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
    margin-left: 10px;
    font-size: 16px;
}

button {
    background-color: #ff6f61;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #e25548;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
    width: 100%;
    flex-shrink: 0;
}

.github-button {
    background-color: #24292e;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    margin-top: 10px;
    transition: background-color 0.3s ease;
}

.github-button:hover {
    background-color: #0366d6;
}

.result {
    margin-top: 20px;
    padding: 20px;
    border-radius: 10px;
    background-color: #f0f0f0;
    text-align: center;
    display: none;
}

.result p {
    font-size: 18px;
}