style.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Bangers&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Dosis:wght@200..800&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
    line-height: 35px;
}

#wrapper {
    height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    perspective: 10px;
}

.container {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    transform-style: preserve-3d;
}

.background,
.foreground {
    position: absolute;
    height: 100%;
    width: 100%;
    z-index: -1;
    object-fit: cover;
}

.background {
    transform: translateZ(-70px) scale(8.1);
}

.foreground {
    filter: contrast(2);
    transform: translateZ(-40px) scale(5);
}

.container h1 {
    position: absolute;
    top: 5rem;
    font-weight: 600;
    z-index: 1;
    font-size: 10rem;
    letter-spacing: 6px;
    color: white;
    text-shadow: 0 0 10px rgba(244, 69, 69, 0.879);
}

section {
    position: absolute;
}

section h1 {
    font-size: 5rem;
    color: white;
}

section p {
    font-family: "Dosis", sans-serif;
}

.details h2 {
    text-align: center;
    font-size: 40px;
    font-weight: 500;
    text-decoration: underline;
    margin-bottom: 25px;
}

.bg1 {
    background-image: url(assests/ironman.jpg);
}

.bg2 {
    background-image: url(assests/captainamerica.jpg);
}

.bg3 {
    background-image: url(assests/black-panther.jpg);
}

.bg {
    display: flex;
    justify-content: center;
    align-items: center;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    height: 500px;
}

.details {
    padding: 55px;
    font-size: 23px;
    color: white;
    background: linear-gradient(145deg, rgb(9, 9, 9) 30%, rgb(183, 174, 174) 80%);
}