body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
}

.container {
    max-width: 800px;
}

.navbar {
    margin-bottom: 20px;
}

h2 {
    margin-bottom: 15px;
}

.list-group-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

button {
    min-width: 100px;
}