body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f7f9;
    color: #333;
}

header {
    background-color: #3498db;
    color: #fff;
    padding: 5px;
    text-align: center;
}

.container {
    max-width: 500px;
    margin: 20px auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.balance p, h2 {
    margin: 10px 0;
    font-size: 16px;
    text-align: center;
}

.transaction-section div {

}

input {
    padding: 10px;
    width: 100%;
    margin-bottom: 10px;
    box-sizing: border-box;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

input:focus {
    border-color: #3498db;
}

input[type="button"] {
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

input[type="button"]:hover {
    background-color: #2980b9;
}

footer {
    background-color: #3498db;
    color: #fff;
    text-align: center;
    position: fixed;
    bottom: 0;
    width: 100%;
    border-radius: 5px;
}