body {
    margin: 0;
    padding: 0;
}

.container {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 30px;
}

.inner {
    max-width: 400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

a {
    display: block;
    text-align: center;
    text-decoration: none;
    color: white;
    margin: 30px 0;
    padding: 20px 20px;
    border-radius: 20px;
    width: 100%;
    box-sizing: border-box;
}

.tombol1 {
    background-color: #4B9CD3;
}

.tombol2 {
    background-color: #FF6347;
}

.tombol3 {
    background-color: #FFA500;
}