html {
  scroll-behavior: smooth;
}

.slider {
    position: relative;
    overflow: hidden;
    width: 80%;
    margin: 0 auto;
}
.slider .quote {
    display: none;
    text-align: center;
    font-size: 1.2em;
    color: #333;
}
.slider .quote.active {
    display: block;
}