body {
    font-family: Arial, sans-serif;
    background-color: #f7f7f7;
    color: #000000;
    margin: 0;
    padding: 20px;
}

.container {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.other-calculators,
.calculator-container,
.definitions {
    background: #ffffff;
    color: #000000;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 300px;
    box-sizing: border-box;
}

.calculator-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo {
    max-width: 100%;
    height: auto;
    margin-bottom: 20px;
}

h1, h2, h3 {
    color: #2ECC40;
}

h1 {
    margin-bottom: 20px;
    font-size: 24px;
    text-align: center;
}

h2 {
    margin-top: 0;
    font-size: 22px;
    border-bottom: 2px solid #2ECC40;
    padding-bottom: 10px;
}

h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.input-group {
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #000000;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #ffffff;
    color: #000000;
}

button.amortization-btn {
    padding: 10px;
    background-color: #2ECC40;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    margin-top: 20px;
    width: 100%;
}

button.amortization-btn:hover {
    background-color: #b29e39;
}

#result {
    margin-top: 20px;
    font-size: 18px;
    text-align: center;
    color: #2ECC40;
}

footer {
    padding: 20px;
    background-color: #f7f7f7;
    text-align: center;
    margin-top: 20px;
    border-top: 1px solid #2ECC40;
}

footer a {
    margin: 0 10px;
    color: #2ECC40;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}