.horizantal_css {
    height: 300vh;
    background-color: black;
    color: white;
    overflow-x: hidden;
}



.comparisonSection {
    position: relative;
    padding-bottom: 56.25%; /* to maintain aspect ratio (responsive!) */
}
.comparisonImage {
    width: 100%;
    height: 100%;
}
.afterImage {
    position: absolute;
    overflow: hidden;
    top: 0;
    transform: translate(100%, 0px);
}
.afterImage img {
    transform: translate(-100%, 0px);
}
.comparisonImage img {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
}
.panel {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 90vh;
}