body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
}

.center {
    margin: 0 auto;
}

.content {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 40px;
    text-align: center;
    background: white;
    min-height: 100vh;
}

.nav-link {
    display: block;
    background-color: #894AFF;
    color: white;
    padding: 11px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 38px;
    position: absolute;
    top: 20px;
}

.next {
    left: 20px;
}

.prev {
    right: 20px;
}

img {
    margin: 15px;
    border-radius: 15px;
}