style.css

body {
    background-color: black;
}

.container {
    margin-top: 75px;
    margin-left: 200px;
    margin-right: 200px;
}

h1 {
    color : white;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 50px;
}

#clipMe {
    color : white;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
    font-size: 28px;
    line-height: 2.2rem;
    background-image: url("Pics/lavaText.jpg");
    -webkit-background-clip: text;
    color: transparent;
}

#container2 {
    position: relative;
    width: 100%;
    height: 200vh;
    margin-top: -200px;
    background: rgba(251, 252, 251, 1);
    background: linear-gradient(0deg, rgba(0, 0, 0, 1) 80%, rgba(0, 0, 0, 0) 100%);
    padding-top: 500px;
    padding-bottom: 25px;
}

#iPhoneBlock {
    position: relative;
}

#iPhonePic {
    position: absolute;
    display: block;
    border-radius: 30px;
    z-index: 10;
}

#iPhoneScreenImg {
    position: absolute;
    margin-top: 2.5%;
    padding-top: 1%;
    width:270px;
    height:565px;
    border-radius: 25px;
    z-index: 20;
}

#iPhoneScreenImg2 {
    position: absolute;
    margin-top: 2.5%;
    padding-top: 1%;
    width:270px;
    height:565px;
    border-radius: 25px;
    z-index: 20;
    opacity: 0%;
}

#iPhonePicXS {
    position: absolute;
    display: block;
    margin-top: 5%;
    padding-top: 5%;
    width:250px;
    height:520px;
    border-radius: 30px;
    z-index: 30;
}

#iPhoneScreenImgXS {
    position: absolute;
    margin-top: 5%;
    padding-top: 6%;
    width:220px;
    height:490px;
    border-radius: 25px;
    z-index: 40;
}

#iPhoneScreenImgXS2 {
    position: absolute;
    margin-top: 5%;
    padding-top: 6%;
    width:220px;
    height:490px;
    border-radius: 25px;
    z-index: 40;
    opacity: 0%;

}

#container3 {
    width: 100%;
    height: 200vh;
    background: rgba(251, 252, 251, 1);
    background: linear-gradient(0deg, rgb(255, 255, 255) 80%, rgba(31, 90, 179, 0) 100%);
    padding-top: 1000px;
    padding-bottom: 25px;
}