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

.container {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    width: 350px;
}

h1, h2 {
    text-align: center;
    color: #333;
}

.input-section, .output-section {
    margin-bottom: 20px;
}

input, select {
    width: calc(100% - 20px);
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

button {
    width: 100%;
    padding: 10px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

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

.output-section p {
    font-size: 16px;
    margin: 5px 0;
}

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

.transaction-list li {
    background-color: #f9f9f9;
    margin: 5px 0;
    padding: 10px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
}

.transaction-list li.income {
    color: green;
}

.transaction-list li.expense {
    color: red;
}

.transaction-list li.savings {
    color: blue;
}