body {
    margin: 0;
    padding: 0;
    display: flex;
    height: 100vh;
    overflow: hidden;
}

.split {
    width: 50%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.split_left {
    background-color: #f1f1f1;
    overflow-y:scroll;
    max-height: 10000px;
    width: 50%;
}

.split_right {
    background-color: #ddd;
    overflow-y:scroll;
    max-height: 10000px;
    width: 50%;
}

img {
    display : block;
    margin: 0 auto;
    margin-top: 20px;

}

/*.sticky_image {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.centered img {
    max-width: 100%;
    max-height: 100%;
}