body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.bank-app {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.balance {
    margin-bottom: 20px;
}

.actions {
    margin-bottom: 20px;
}

.actions input {
    padding: 10px;
    width: 200px;
    margin-right: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.actions button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background-color: #28a745;
    color: white;
    cursor: pointer;
}

.actions button:hover {
    background-color: #218838;
}

.log {
    text-align: left;
}

.log ul {
    list-style-type: none;
    padding: 0;
}

.log ul li {
    padding: 5px 0;
    border-bottom: 1px solid #ccc;
}