body {
    margin: 0;
}
#image-canvas {
    width: 2000px;
    background-color: gray;
    display: flex;
    flex-wrap: wrap;
    padding-left: 25px;
    padding-top: 6px;
}
#image-canvas img {
    width: 50px;
    height: 50px;
    border-radius: 25px;
    margin-top: -6px;
}
#image-canvas img:nth-child(80n+42) {
    margin-left: -25px;
}
#selected-cap-circle {
    width: 46px;
    height: 46px;
    border: 2px solid green;
    border-radius: 25px;
    position: absolute;
    top: 0px;
    left: 25px;
    display: none;
}