styles.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;400&display=swap');

* {
    user-select: none;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

.box {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: auto;
    /* scroll-behavior: smooth; */
    scroll-snap-type: y mandatory;
}

section {
    position: relative;
    width: 100%;
    height: 100%;
    background-blend-mode: multiply;
    scroll-snap-align: center;
}

section .content {
    position: absolute;
    bottom: 50px;
    left: 50px;
    max-width: 700px;
}

section .content h2 {
    background: white;
    color: #111;
    font-weight: 600;
    display: inline-block;
    padding: 10px 20px;
    font-size: 2em;
}

section .content p {
    background: white;
    color: #111;
    font-weight: 600;
    padding: 10px 20px;
    margin-top: 10px;
}

section:nth-child(1) {
    background: url(images/1.jpg);
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
}

section:nth-child(2) {
    background: url(images/2.jpg);
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    background-blend-mode: multiply;
}

section:nth-child(3) {
    background: url(images/3.jpg);
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    background-blend-mode: multiply;
}

section:nth-child(4) {
    /* background: url(images/rome.jpg); */
    background: url(images/spqr.png);
    /* background-position: top; */
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    background-blend-mode: multiply;
}

section:nth-child(5) {
    background: url(images/pompei.jpg);
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    background-blend-mode: multiply;
}

@media screen and (min-width: 300px) and (max-width: 800px) {
    section {
        overflow: hidden;
    }

    section:nth-child(4) {
        background: url(images/spqr.png);
        background-position: center;
        background-size: cover;
        background-attachment: fixed;
        background-blend-mode: multiply;
    }
}